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Finding the Fourth Proportional to 543,152.20, 814,728.30 and 227,576.20

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Solution

The fourth proportional to 543,152.20, 814,728.30 and 227,576.20 is: 341,364.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,152.20 : 814,728.30 = 227,576.20 : x
  2. Step 2: Convert to fraction form
    543,152.20/814,728.30 = 227,576.20/x
  3. Step 3: Cross multiply
    543,152.20x = 814,728.30 × 227,576.20
  4. Step 4: Simplify right side
    543,152.20x = 185,412,770,546.46
  5. Step 5: Solve for x
    x = 185,412,770,546.46/543,152.20
  6. Step 6: Final answer
    x = 341,364.30

Related Problems

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Half scale
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Double scale
Find fourth proportional to 543,153.20, 814,729.80 and 227,577.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.