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Finding the Fourth Proportional to 576,067.70, 864,101.55 and 484,829.30

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Solution

The fourth proportional to 576,067.70, 864,101.55 and 484,829.30 is: 727,243.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,067.70 : 864,101.55 = 484,829.30 : x
  2. Step 2: Convert to fraction form
    576,067.70/864,101.55 = 484,829.30/x
  3. Step 3: Cross multiply
    576,067.70x = 864,101.55 × 484,829.30
  4. Step 4: Simplify right side
    576,067.70x = 418,941,749,615.42
  5. Step 5: Solve for x
    x = 418,941,749,615.42/576,067.70
  6. Step 6: Final answer
    x = 727,243.95

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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.