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Finding the Fourth Proportional to 542,999.70, 814,576.35 and 168,983.70

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Solution

The fourth proportional to 542,999.70, 814,576.35 and 168,983.70 is: 253,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,999.70 : 814,576.35 = 168,983.70 : x
  2. Step 2: Convert to fraction form
    542,999.70/814,576.35 = 168,983.70/x
  3. Step 3: Cross multiply
    542,999.70x = 814,576.35 × 168,983.70
  4. Step 4: Simplify right side
    542,999.70x = 137,650,125,555.50
  5. Step 5: Solve for x
    x = 137,650,125,555.50/542,999.70
  6. Step 6: Final answer
    x = 253,499.45

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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.