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Finding the Fourth Proportional to 864,792.52, 1,193,335.14 and 482,749

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Solution

The fourth proportional to 864,792.52, 1,193,335.14 and 482,749 is: 666,149.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,792.52 : 1,193,335.14 = 482,749 : x
  2. Step 2: Convert to fraction form
    864,792.52/1,193,335.14 = 482,749/x
  3. Step 3: Cross multiply
    864,792.52x = 1,193,335.14 × 482,749
  4. Step 4: Simplify right side
    864,792.52x = 576,081,345,499.86
  5. Step 5: Solve for x
    x = 576,081,345,499.86/864,792.52
  6. Step 6: Final answer
    x = 666,149.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.