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Finding the Fourth Proportional to 535,474.20, 738,951.39 and 293,750.58

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Solution

The fourth proportional to 535,474.20, 738,951.39 and 293,750.58 is: 405,374.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,474.20 : 738,951.39 = 293,750.58 : x
  2. Step 2: Convert to fraction form
    535,474.20/738,951.39 = 293,750.58/x
  3. Step 3: Cross multiply
    535,474.20x = 738,951.39 × 293,750.58
  4. Step 4: Simplify right side
    535,474.20x = 217,067,399,404.31
  5. Step 5: Solve for x
    x = 217,067,399,404.31/535,474.20
  6. Step 6: Final answer
    x = 405,374.15

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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.