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Finding the Fourth Proportional to 576,078.60, 864,117.90 and 482,766.60

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Solution

The fourth proportional to 576,078.60, 864,117.90 and 482,766.60 is: 724,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,078.60 : 864,117.90 = 482,766.60 : x
  2. Step 2: Convert to fraction form
    576,078.60/864,117.90 = 482,766.60/x
  3. Step 3: Cross multiply
    576,078.60x = 864,117.90 × 482,766.60
  4. Step 4: Simplify right side
    576,078.60x = 417,167,260,582.14
  5. Step 5: Solve for x
    x = 417,167,260,582.14/576,078.60
  6. Step 6: Final answer
    x = 724,149.90

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Similar ratio
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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.