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Finding the Fourth Proportional to 250,169.60, 345,286.17 and 229,994.53

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Solution

The fourth proportional to 250,169.60, 345,286.17 and 229,994.53 is: 317,440.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,169.60 : 345,286.17 = 229,994.53 : x
  2. Step 2: Convert to fraction form
    250,169.60/345,286.17 = 229,994.53/x
  3. Step 3: Cross multiply
    250,169.60x = 345,286.17 × 229,994.53
  4. Step 4: Simplify right side
    250,169.60x = 79,413,928,658.22
  5. Step 5: Solve for x
    x = 79,413,928,658.22/250,169.60
  6. Step 6: Final answer
    x = 317,440.36

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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.