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Finding the Fourth Proportional to 363,436.62, 544,921.65 and 238,631.82

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Solution

The fourth proportional to 363,436.62, 544,921.65 and 238,631.82 is: 357,794.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,436.62 : 544,921.65 = 238,631.82 : x
  2. Step 2: Convert to fraction form
    363,436.62/544,921.65 = 238,631.82/x
  3. Step 3: Cross multiply
    363,436.62x = 544,921.65 × 238,631.82
  4. Step 4: Simplify right side
    363,436.62x = 130,035,645,096.90
  5. Step 5: Solve for x
    x = 130,035,645,096.90/363,436.62
  6. Step 6: Final answer
    x = 357,794.56

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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.