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Finding the Fourth Proportional to 437,834.43, 656,751.65 and 338,140.04

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Solution

The fourth proportional to 437,834.43, 656,751.65 and 338,140.04 is: 507,210.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,834.43 : 656,751.65 = 338,140.04 : x
  2. Step 2: Convert to fraction form
    437,834.43/656,751.65 = 338,140.04/x
  3. Step 3: Cross multiply
    437,834.43x = 656,751.65 × 338,140.04
  4. Step 4: Simplify right side
    437,834.43x = 222,074,024,226.61
  5. Step 5: Solve for x
    x = 222,074,024,226.61/437,834.43
  6. Step 6: Final answer
    x = 507,210.05

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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.