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Finding the Fourth Proportional to 621,672.31, 932,508.47 and 411,261.04

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Solution

The fourth proportional to 621,672.31, 932,508.47 and 411,261.04 is: 616,891.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,672.31 : 932,508.47 = 411,261.04 : x
  2. Step 2: Convert to fraction form
    621,672.31/932,508.47 = 411,261.04/x
  3. Step 3: Cross multiply
    621,672.31x = 932,508.47 × 411,261.04
  4. Step 4: Simplify right side
    621,672.31x = 383,504,403,181.01
  5. Step 5: Solve for x
    x = 383,504,403,181.01/621,672.31
  6. Step 6: Final answer
    x = 616,891.56

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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.