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Finding the Fourth Proportional to 491,553.80, 737,617.29 and 207,226.95

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Solution

The fourth proportional to 491,553.80, 737,617.29 and 207,226.95 is: 310,961.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,553.80 : 737,617.29 = 207,226.95 : x
  2. Step 2: Convert to fraction form
    491,553.80/737,617.29 = 207,226.95/x
  3. Step 3: Cross multiply
    491,553.80x = 737,617.29 × 207,226.95
  4. Step 4: Simplify right side
    491,553.80x = 152,854,181,273.97
  5. Step 5: Solve for x
    x = 152,854,181,273.97/491,553.80
  6. Step 6: Final answer
    x = 310,961.24

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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.