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Finding the Fourth Proportional to 437,617.70, 656,426.55 and 238,552.10

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Solution

The fourth proportional to 437,617.70, 656,426.55 and 238,552.10 is: 357,828.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,617.70 : 656,426.55 = 238,552.10 : x
  2. Step 2: Convert to fraction form
    437,617.70/656,426.55 = 238,552.10/x
  3. Step 3: Cross multiply
    437,617.70x = 656,426.55 × 238,552.10
  4. Step 4: Simplify right side
    437,617.70x = 156,591,931,998.26
  5. Step 5: Solve for x
    x = 156,591,931,998.26/437,617.70
  6. Step 6: Final answer
    x = 357,828.15

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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.