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Finding the Fourth Proportional to 649,473.62, 895,691.31 and 540,938.30

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Solution

The fourth proportional to 649,473.62, 895,691.31 and 540,938.30 is: 746,009.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,473.62 : 895,691.31 = 540,938.30 : x
  2. Step 2: Convert to fraction form
    649,473.62/895,691.31 = 540,938.30/x
  3. Step 3: Cross multiply
    649,473.62x = 895,691.31 × 540,938.30
  4. Step 4: Simplify right side
    649,473.62x = 484,513,734,556.17
  5. Step 5: Solve for x
    x = 484,513,734,556.17/649,473.62
  6. Step 6: Final answer
    x = 746,009.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.