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Finding the Fourth Proportional to 541,248.30, 811,872.45 and 260,793.90

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Solution

The fourth proportional to 541,248.30, 811,872.45 and 260,793.90 is: 391,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,248.30 : 811,872.45 = 260,793.90 : x
  2. Step 2: Convert to fraction form
    541,248.30/811,872.45 = 260,793.90/x
  3. Step 3: Cross multiply
    541,248.30x = 811,872.45 × 260,793.90
  4. Step 4: Simplify right side
    541,248.30x = 211,731,382,538.06
  5. Step 5: Solve for x
    x = 211,731,382,538.06/541,248.30
  6. Step 6: Final answer
    x = 391,190.85

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Similar ratio
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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.