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Finding the Fourth Proportional to 466,412.20, 699,791.10 and 449,132.20

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Solution

The fourth proportional to 466,412.20, 699,791.10 and 449,132.20 is: 673,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,412.20 : 699,791.10 = 449,132.20 : x
  2. Step 2: Convert to fraction form
    466,412.20/699,791.10 = 449,132.20/x
  3. Step 3: Cross multiply
    466,412.20x = 699,791.10 × 449,132.20
  4. Step 4: Simplify right side
    466,412.20x = 314,298,716,283.42
  5. Step 5: Solve for x
    x = 314,298,716,283.42/466,412.20
  6. Step 6: Final answer
    x = 673,864.70

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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.