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Finding the Fourth Proportional to 519,488.80, 779,233.20 and 466,344.70

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Solution

The fourth proportional to 519,488.80, 779,233.20 and 466,344.70 is: 699,517.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,488.80 : 779,233.20 = 466,344.70 : x
  2. Step 2: Convert to fraction form
    519,488.80/779,233.20 = 466,344.70/x
  3. Step 3: Cross multiply
    519,488.80x = 779,233.20 × 466,344.70
  4. Step 4: Simplify right side
    519,488.80x = 363,391,272,884.04
  5. Step 5: Solve for x
    x = 363,391,272,884.04/519,488.80
  6. Step 6: Final answer
    x = 699,517.05

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Double scale
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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.