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Finding the Fourth Proportional to 502,844.88, 754,265.34 and 203,321.82

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Solution

The fourth proportional to 502,844.88, 754,265.34 and 203,321.82 is: 304,981.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,844.88 : 754,265.34 = 203,321.82 : x
  2. Step 2: Convert to fraction form
    502,844.88/754,265.34 = 203,321.82/x
  3. Step 3: Cross multiply
    502,844.88x = 754,265.34 × 203,321.82
  4. Step 4: Simplify right side
    502,844.88x = 153,358,601,691.72
  5. Step 5: Solve for x
    x = 153,358,601,691.72/502,844.88
  6. Step 6: Final answer
    x = 304,981.93

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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.