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Finding the Fourth Proportional to 486,039.20, 729,058.80 and 466,356.20

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Solution

The fourth proportional to 486,039.20, 729,058.80 and 466,356.20 is: 699,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,039.20 : 729,058.80 = 466,356.20 : x
  2. Step 2: Convert to fraction form
    486,039.20/729,058.80 = 466,356.20/x
  3. Step 3: Cross multiply
    486,039.20x = 729,058.80 × 466,356.20
  4. Step 4: Simplify right side
    486,039.20x = 340,001,091,544.56
  5. Step 5: Solve for x
    x = 340,001,091,544.56/486,039.20
  6. Step 6: Final answer
    x = 699,534.30

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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.