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Finding the Fourth Proportional to 463,637.60, 695,456.40 and 329,793.20

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Solution

The fourth proportional to 463,637.60, 695,456.40 and 329,793.20 is: 494,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,637.60 : 695,456.40 = 329,793.20 : x
  2. Step 2: Convert to fraction form
    463,637.60/695,456.40 = 329,793.20/x
  3. Step 3: Cross multiply
    463,637.60x = 695,456.40 × 329,793.20
  4. Step 4: Simplify right side
    463,637.60x = 229,356,791,616.48
  5. Step 5: Solve for x
    x = 229,356,791,616.48/463,637.60
  6. Step 6: Final answer
    x = 494,689.80

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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.