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Finding the Fourth Proportional to 317,347.89, 475,788.56 and 151,252.53

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Solution

The fourth proportional to 317,347.89, 475,788.56 and 151,252.53 is: 226,767.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,347.89 : 475,788.56 = 151,252.53 : x
  2. Step 2: Convert to fraction form
    317,347.89/475,788.56 = 151,252.53/x
  3. Step 3: Cross multiply
    317,347.89x = 475,788.56 × 151,252.53
  4. Step 4: Simplify right side
    317,347.89x = 71,964,222,688.79
  5. Step 5: Solve for x
    x = 71,964,222,688.79/317,347.89
  6. Step 6: Final answer
    x = 226,767.61

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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.