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Finding the Fourth Proportional to 587,062.20, 880,162.92 and 187,472.64

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Solution

The fourth proportional to 587,062.20, 880,162.92 and 187,472.64 is: 281,071.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,062.20 : 880,162.92 = 187,472.64 : x
  2. Step 2: Convert to fraction form
    587,062.20/880,162.92 = 187,472.64/x
  3. Step 3: Cross multiply
    587,062.20x = 880,162.92 × 187,472.64
  4. Step 4: Simplify right side
    587,062.20x = 165,006,466,242.51
  5. Step 5: Solve for x
    x = 165,006,466,242.51/587,062.20
  6. Step 6: Final answer
    x = 281,071.52

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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.