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Finding the Fourth Proportional to 732,891.40, 1,099,337.10 and 606,920.20

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Solution

The fourth proportional to 732,891.40, 1,099,337.10 and 606,920.20 is: 910,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,891.40 : 1,099,337.10 = 606,920.20 : x
  2. Step 2: Convert to fraction form
    732,891.40/1,099,337.10 = 606,920.20/x
  3. Step 3: Cross multiply
    732,891.40x = 1,099,337.10 × 606,920.20
  4. Step 4: Simplify right side
    732,891.40x = 667,209,892,599.42
  5. Step 5: Solve for x
    x = 667,209,892,599.42/732,891.40
  6. Step 6: Final answer
    x = 910,380.30

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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.