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Finding the Fourth Proportional to 486,043.20, 729,064.80 and 466,360.20

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Solution

The fourth proportional to 486,043.20, 729,064.80 and 466,360.20 is: 699,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,043.20 : 729,064.80 = 466,360.20 : x
  2. Step 2: Convert to fraction form
    486,043.20/729,064.80 = 466,360.20/x
  3. Step 3: Cross multiply
    486,043.20x = 729,064.80 × 466,360.20
  4. Step 4: Simplify right side
    486,043.20x = 340,006,805,940.96
  5. Step 5: Solve for x
    x = 340,006,805,940.96/486,043.20
  6. Step 6: Final answer
    x = 699,540.30

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Similar ratio
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1.5x scale

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.