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Finding the Fourth Proportional to 615,737.92, 849,493.56 and 361,039.72

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Solution

The fourth proportional to 615,737.92, 849,493.56 and 361,039.72 is: 498,103.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,737.92 : 849,493.56 = 361,039.72 : x
  2. Step 2: Convert to fraction form
    615,737.92/849,493.56 = 361,039.72/x
  3. Step 3: Cross multiply
    615,737.92x = 849,493.56 × 361,039.72
  4. Step 4: Simplify right side
    615,737.92x = 306,700,917,044.20
  5. Step 5: Solve for x
    x = 306,700,917,044.20/615,737.92
  6. Step 6: Final answer
    x = 498,103.02

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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.