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Finding the Fourth Proportional to 437,934.60, 656,448.30 and 237,832.20

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Solution

The fourth proportional to 437,934.60, 656,448.30 and 237,832.20 is: 356,501.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,934.60 : 656,448.30 = 237,832.20 : x
  2. Step 2: Convert to fraction form
    437,934.60/656,448.30 = 237,832.20/x
  3. Step 3: Cross multiply
    437,934.60x = 656,448.30 × 237,832.20
  4. Step 4: Simplify right side
    437,934.60x = 156,124,543,375.26
  5. Step 5: Solve for x
    x = 156,124,543,375.26/437,934.60
  6. Step 6: Final answer
    x = 356,501.96

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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.