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Finding the Fourth Proportional to 542,065.92, 813,228.08 and 187,083.04

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Solution

The fourth proportional to 542,065.92, 813,228.08 and 187,083.04 is: 280,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,065.92 : 813,228.08 = 187,083.04 : x
  2. Step 2: Convert to fraction form
    542,065.92/813,228.08 = 187,083.04/x
  3. Step 3: Cross multiply
    542,065.92x = 813,228.08 × 187,083.04
  4. Step 4: Simplify right side
    542,065.92x = 152,141,181,419.76
  5. Step 5: Solve for x
    x = 152,141,181,419.76/542,065.92
  6. Step 6: Final answer
    x = 280,669.15

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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.