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Finding the Fourth Proportional to 894,652.74, 1,234,654.74 and 512,753.22

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Solution

The fourth proportional to 894,652.74, 1,234,654.74 and 512,753.22 is: 707,618.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,652.74 : 1,234,654.74 = 512,753.22 : x
  2. Step 2: Convert to fraction form
    894,652.74/1,234,654.74 = 512,753.22/x
  3. Step 3: Cross multiply
    894,652.74x = 1,234,654.74 × 512,753.22
  4. Step 4: Simplify right side
    894,652.74x = 633,073,193,523.26
  5. Step 5: Solve for x
    x = 633,073,193,523.26/894,652.74
  6. Step 6: Final answer
    x = 707,618.91

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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.