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Finding the Fourth Proportional to 541,939.07, 813,654.92 and 275,885.06

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Solution

The fourth proportional to 541,939.07, 813,654.92 and 275,885.06 is: 414,207.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,939.07 : 813,654.92 = 275,885.06 : x
  2. Step 2: Convert to fraction form
    541,939.07/813,654.92 = 275,885.06/x
  3. Step 3: Cross multiply
    541,939.07x = 813,654.92 × 275,885.06
  4. Step 4: Simplify right side
    541,939.07x = 224,475,233,044.93
  5. Step 5: Solve for x
    x = 224,475,233,044.93/541,939.07
  6. Step 6: Final answer
    x = 414,207.51

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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.