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Finding the Fourth Proportional to 543,040.40, 814,657.80 and 227,529.20

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Solution

The fourth proportional to 543,040.40, 814,657.80 and 227,529.20 is: 341,334.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,040.40 : 814,657.80 = 227,529.20 : x
  2. Step 2: Convert to fraction form
    543,040.40/814,657.80 = 227,529.20/x
  3. Step 3: Cross multiply
    543,040.40x = 814,657.80 × 227,529.20
  4. Step 4: Simplify right side
    543,040.40x = 185,358,437,507.76
  5. Step 5: Solve for x
    x = 185,358,437,507.76/543,040.40
  6. Step 6: Final answer
    x = 341,334.53

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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.