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Finding the Fourth Proportional to 532,338.20, 798,507.30 and 479,850.20

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Solution

The fourth proportional to 532,338.20, 798,507.30 and 479,850.20 is: 719,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,338.20 : 798,507.30 = 479,850.20 : x
  2. Step 2: Convert to fraction form
    532,338.20/798,507.30 = 479,850.20/x
  3. Step 3: Cross multiply
    532,338.20x = 798,507.30 × 479,850.20
  4. Step 4: Simplify right side
    532,338.20x = 383,163,887,606.46
  5. Step 5: Solve for x
    x = 383,163,887,606.46/532,338.20
  6. Step 6: Final answer
    x = 719,775.30

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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.