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Finding the Fourth Proportional to 493,508.68, 681,044.15 and 267,154.18

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Solution

The fourth proportional to 493,508.68, 681,044.15 and 267,154.18 is: 368,673.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,508.68 : 681,044.15 = 267,154.18 : x
  2. Step 2: Convert to fraction form
    493,508.68/681,044.15 = 267,154.18/x
  3. Step 3: Cross multiply
    493,508.68x = 681,044.15 × 267,154.18
  4. Step 4: Simplify right side
    493,508.68x = 181,943,786,696.06
  5. Step 5: Solve for x
    x = 181,943,786,696.06/493,508.68
  6. Step 6: Final answer
    x = 368,673.94

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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.