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Finding the Fourth Proportional to 658,744.92, 988,029.90 and 185,471.10

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Solution

The fourth proportional to 658,744.92, 988,029.90 and 185,471.10 is: 278,182.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,744.92 : 988,029.90 = 185,471.10 : x
  2. Step 2: Convert to fraction form
    658,744.92/988,029.90 = 185,471.10/x
  3. Step 3: Cross multiply
    658,744.92x = 988,029.90 × 185,471.10
  4. Step 4: Simplify right side
    658,744.92x = 183,250,992,385.89
  5. Step 5: Solve for x
    x = 183,250,992,385.89/658,744.92
  6. Step 6: Final answer
    x = 278,182.02

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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.