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Finding the Fourth Proportional to 363,972.90, 502,015.20 and 241,243.32

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Solution

The fourth proportional to 363,972.90, 502,015.20 and 241,243.32 is: 332,738.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,972.90 : 502,015.20 = 241,243.32 : x
  2. Step 2: Convert to fraction form
    363,972.90/502,015.20 = 241,243.32/x
  3. Step 3: Cross multiply
    363,972.90x = 502,015.20 × 241,243.32
  4. Step 4: Simplify right side
    363,972.90x = 121,107,813,538.46
  5. Step 5: Solve for x
    x = 121,107,813,538.46/363,972.90
  6. Step 6: Final answer
    x = 332,738.55

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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.