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Finding the Fourth Proportional to 542,244.54, 813,475.53 and 187,271.58

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Solution

The fourth proportional to 542,244.54, 813,475.53 and 187,271.58 is: 280,944.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,244.54 : 813,475.53 = 187,271.58 : x
  2. Step 2: Convert to fraction form
    542,244.54/813,475.53 = 187,271.58/x
  3. Step 3: Cross multiply
    542,244.54x = 813,475.53 × 187,271.58
  4. Step 4: Simplify right side
    542,244.54x = 152,340,847,794.44
  5. Step 5: Solve for x
    x = 152,340,847,794.44/542,244.54
  6. Step 6: Final answer
    x = 280,944.92

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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.