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Finding the Fourth Proportional to 472,349.60, 708,459.60 and 156,773.60

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Solution

The fourth proportional to 472,349.60, 708,459.60 and 156,773.60 is: 235,138.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,349.60 : 708,459.60 = 156,773.60 : x
  2. Step 2: Convert to fraction form
    472,349.60/708,459.60 = 156,773.60/x
  3. Step 3: Cross multiply
    472,349.60x = 708,459.60 × 156,773.60
  4. Step 4: Simplify right side
    472,349.60x = 111,067,761,946.56
  5. Step 5: Solve for x
    x = 111,067,761,946.56/472,349.60
  6. Step 6: Final answer
    x = 235,138.89

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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.