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Finding the Fourth Proportional to 487,005.62, 730,508.43 and 132,010.41

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Solution

The fourth proportional to 487,005.62, 730,508.43 and 132,010.41 is: 198,015.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,005.62 : 730,508.43 = 132,010.41 : x
  2. Step 2: Convert to fraction form
    487,005.62/730,508.43 = 132,010.41/x
  3. Step 3: Cross multiply
    487,005.62x = 730,508.43 × 132,010.41
  4. Step 4: Simplify right side
    487,005.62x = 96,434,717,352.76
  5. Step 5: Solve for x
    x = 96,434,717,352.76/487,005.62
  6. Step 6: Final answer
    x = 198,015.62

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Similar ratio
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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.