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Finding the Fourth Proportional to 576,691.42, 864,394.89 and 239,544.22

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Solution

The fourth proportional to 576,691.42, 864,394.89 and 239,544.22 is: 359,049.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,691.42 : 864,394.89 = 239,544.22 : x
  2. Step 2: Convert to fraction form
    576,691.42/864,394.89 = 239,544.22/x
  3. Step 3: Cross multiply
    576,691.42x = 864,394.89 × 239,544.22
  4. Step 4: Simplify right side
    576,691.42x = 207,060,799,697.04
  5. Step 5: Solve for x
    x = 207,060,799,697.04/576,691.42
  6. Step 6: Final answer
    x = 359,049.56

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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.