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Finding the Fourth Proportional to 502,843.88, 754,263.84 and 203,320.82

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Solution

The fourth proportional to 502,843.88, 754,263.84 and 203,320.82 is: 304,980.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,843.88 : 754,263.84 = 203,320.82 : x
  2. Step 2: Convert to fraction form
    502,843.88/754,263.84 = 203,320.82/x
  3. Step 3: Cross multiply
    502,843.88x = 754,263.84 × 203,320.82
  4. Step 4: Simplify right side
    502,843.88x = 153,357,542,445.15
  5. Step 5: Solve for x
    x = 153,357,542,445.15/502,843.88
  6. Step 6: Final answer
    x = 304,980.43

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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.