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Finding the Fourth Proportional to 732,642.60, 1,098,818.10 and 353,562.60

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Solution

The fourth proportional to 732,642.60, 1,098,818.10 and 353,562.60 is: 530,273.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,642.60 : 1,098,818.10 = 353,562.60 : x
  2. Step 2: Convert to fraction form
    732,642.60/1,098,818.10 = 353,562.60/x
  3. Step 3: Cross multiply
    732,642.60x = 1,098,818.10 × 353,562.60
  4. Step 4: Simplify right side
    732,642.60x = 388,500,984,363.06
  5. Step 5: Solve for x
    x = 388,500,984,363.06/732,642.60
  6. Step 6: Final answer
    x = 530,273.54

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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.