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Finding the Fourth Proportional to 317,343.89, 475,782.56 and 151,248.53

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Solution

The fourth proportional to 317,343.89, 475,782.56 and 151,248.53 is: 226,761.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,343.89 : 475,782.56 = 151,248.53 : x
  2. Step 2: Convert to fraction form
    317,343.89/475,782.56 = 151,248.53/x
  3. Step 3: Cross multiply
    317,343.89x = 475,782.56 × 151,248.53
  4. Step 4: Simplify right side
    317,343.89x = 71,961,412,043.39
  5. Step 5: Solve for x
    x = 71,961,412,043.39/317,343.89
  6. Step 6: Final answer
    x = 226,761.61

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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.