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Finding the Fourth Proportional to 486,035.60, 729,053.40 and 441,712.40

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Solution

The fourth proportional to 486,035.60, 729,053.40 and 441,712.40 is: 662,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,035.60 : 729,053.40 = 441,712.40 : x
  2. Step 2: Convert to fraction form
    486,035.60/729,053.40 = 441,712.40/x
  3. Step 3: Cross multiply
    486,035.60x = 729,053.40 × 441,712.40
  4. Step 4: Simplify right side
    486,035.60x = 322,031,927,042.16
  5. Step 5: Solve for x
    x = 322,031,927,042.16/486,035.60
  6. Step 6: Final answer
    x = 662,568.60

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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.