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Finding the Fourth Proportional to 331,472.52, 497,109.96 and 118,202.76

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Solution

The fourth proportional to 331,472.52, 497,109.96 and 118,202.76 is: 177,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,472.52 : 497,109.96 = 118,202.76 : x
  2. Step 2: Convert to fraction form
    331,472.52/497,109.96 = 118,202.76/x
  3. Step 3: Cross multiply
    331,472.52x = 497,109.96 × 118,202.76
  4. Step 4: Simplify right side
    331,472.52x = 58,759,769,295.49
  5. Step 5: Solve for x
    x = 58,759,769,295.49/331,472.52
  6. Step 6: Final answer
    x = 177,268.90

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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.