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Finding the Fourth Proportional to 243,046.40, 364,569.60 and 225,331.70

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Solution

The fourth proportional to 243,046.40, 364,569.60 and 225,331.70 is: 337,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,046.40 : 364,569.60 = 225,331.70 : x
  2. Step 2: Convert to fraction form
    243,046.40/364,569.60 = 225,331.70/x
  3. Step 3: Cross multiply
    243,046.40x = 364,569.60 × 225,331.70
  4. Step 4: Simplify right side
    243,046.40x = 82,149,087,736.32
  5. Step 5: Solve for x
    x = 82,149,087,736.32/243,046.40
  6. Step 6: Final answer
    x = 337,997.55

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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.