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Finding the Fourth Proportional to 502,562.20, 754,718.10 and 266,366.20

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Solution

The fourth proportional to 502,562.20, 754,718.10 and 266,366.20 is: 400,012.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,562.20 : 754,718.10 = 266,366.20 : x
  2. Step 2: Convert to fraction form
    502,562.20/754,718.10 = 266,366.20/x
  3. Step 3: Cross multiply
    502,562.20x = 754,718.10 × 266,366.20
  4. Step 4: Simplify right side
    502,562.20x = 201,031,392,368.22
  5. Step 5: Solve for x
    x = 201,031,392,368.22/502,562.20
  6. Step 6: Final answer
    x = 400,012.96

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