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Finding the Fourth Proportional to 541,885.78, 747,793.88 and 296,868.61

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Solution

The fourth proportional to 541,885.78, 747,793.88 and 296,868.61 is: 409,674.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,885.78 : 747,793.88 = 296,868.61 : x
  2. Step 2: Convert to fraction form
    541,885.78/747,793.88 = 296,868.61/x
  3. Step 3: Cross multiply
    541,885.78x = 747,793.88 × 296,868.61
  4. Step 4: Simplify right side
    541,885.78x = 221,996,527,481.54
  5. Step 5: Solve for x
    x = 221,996,527,481.54/541,885.78
  6. Step 6: Final answer
    x = 409,674.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.