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Finding the Fourth Proportional to 576,065.70, 864,098.55 and 484,827.30

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Solution

The fourth proportional to 576,065.70, 864,098.55 and 484,827.30 is: 727,240.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,065.70 : 864,098.55 = 484,827.30 : x
  2. Step 2: Convert to fraction form
    576,065.70/864,098.55 = 484,827.30/x
  3. Step 3: Cross multiply
    576,065.70x = 864,098.55 × 484,827.30
  4. Step 4: Simplify right side
    576,065.70x = 418,938,566,930.42
  5. Step 5: Solve for x
    x = 418,938,566,930.42/576,065.70
  6. Step 6: Final answer
    x = 727,240.95

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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.