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Finding the Fourth Proportional to 542,734.29, 814,101.44 and 371,787.43

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Solution

The fourth proportional to 542,734.29, 814,101.44 and 371,787.43 is: 557,681.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,734.29 : 814,101.44 = 371,787.43 : x
  2. Step 2: Convert to fraction form
    542,734.29/814,101.44 = 371,787.43/x
  3. Step 3: Cross multiply
    542,734.29x = 814,101.44 × 371,787.43
  4. Step 4: Simplify right side
    542,734.29x = 302,672,680,277.96
  5. Step 5: Solve for x
    x = 302,672,680,277.96/542,734.29
  6. Step 6: Final answer
    x = 557,681.15

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Double scale
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Similar ratio
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1.5x scale

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.