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Finding the Fourth Proportional to 472,553.60, 708,895.20 and 156,977.60

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Solution

The fourth proportional to 472,553.60, 708,895.20 and 156,977.60 is: 235,487.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,553.60 : 708,895.20 = 156,977.60 : x
  2. Step 2: Convert to fraction form
    472,553.60/708,895.20 = 156,977.60/x
  3. Step 3: Cross multiply
    472,553.60x = 708,895.20 × 156,977.60
  4. Step 4: Simplify right side
    472,553.60x = 111,280,667,147.52
  5. Step 5: Solve for x
    x = 111,280,667,147.52/472,553.60
  6. Step 6: Final answer
    x = 235,487.93

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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.