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Finding the Fourth Proportional to 436,103.92, 654,147.72 and 237,687.04

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Solution

The fourth proportional to 436,103.92, 654,147.72 and 237,687.04 is: 356,526.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,103.92 : 654,147.72 = 237,687.04 : x
  2. Step 2: Convert to fraction form
    436,103.92/654,147.72 = 237,687.04/x
  3. Step 3: Cross multiply
    436,103.92x = 654,147.72 × 237,687.04
  4. Step 4: Simplify right side
    436,103.92x = 155,482,435,289.55
  5. Step 5: Solve for x
    x = 155,482,435,289.55/436,103.92
  6. Step 6: Final answer
    x = 356,526.11

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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.