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Finding the Fourth Proportional to 542,211.04, 813,425.28 and 187,238.08

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Solution

The fourth proportional to 542,211.04, 813,425.28 and 187,238.08 is: 280,894.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,211.04 : 813,425.28 = 187,238.08 : x
  2. Step 2: Convert to fraction form
    542,211.04/813,425.28 = 187,238.08/x
  3. Step 3: Cross multiply
    542,211.04x = 813,425.28 × 187,238.08
  4. Step 4: Simplify right side
    542,211.04x = 152,304,187,650.66
  5. Step 5: Solve for x
    x = 152,304,187,650.66/542,211.04
  6. Step 6: Final answer
    x = 280,894.66

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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.