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Finding the Fourth Proportional to 485,122.02, 726,796.38 and 351,671.28

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Solution

The fourth proportional to 485,122.02, 726,796.38 and 351,671.28 is: 526,864.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,122.02 : 726,796.38 = 351,671.28 : x
  2. Step 2: Convert to fraction form
    485,122.02/726,796.38 = 351,671.28/x
  3. Step 3: Cross multiply
    485,122.02x = 726,796.38 × 351,671.28
  4. Step 4: Simplify right side
    485,122.02x = 255,593,413,253.97
  5. Step 5: Solve for x
    x = 255,593,413,253.97/485,122.02
  6. Step 6: Final answer
    x = 526,864.18

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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.