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Finding the Fourth Proportional to 487,260.90, 730,891.35 and 466,265.70

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Solution

The fourth proportional to 487,260.90, 730,891.35 and 466,265.70 is: 699,398.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,260.90 : 730,891.35 = 466,265.70 : x
  2. Step 2: Convert to fraction form
    487,260.90/730,891.35 = 466,265.70/x
  3. Step 3: Cross multiply
    487,260.90x = 730,891.35 × 466,265.70
  4. Step 4: Simplify right side
    487,260.90x = 340,789,566,931.70
  5. Step 5: Solve for x
    x = 340,789,566,931.70/487,260.90
  6. Step 6: Final answer
    x = 699,398.55

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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.