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Finding the Fourth Proportional to 652,170.15, 978,425.33 and 252,823.95

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Solution

The fourth proportional to 652,170.15, 978,425.33 and 252,823.95 is: 379,301.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,170.15 : 978,425.33 = 252,823.95 : x
  2. Step 2: Convert to fraction form
    652,170.15/978,425.33 = 252,823.95/x
  3. Step 3: Cross multiply
    652,170.15x = 978,425.33 × 252,823.95
  4. Step 4: Simplify right side
    652,170.15x = 247,369,355,446.53
  5. Step 5: Solve for x
    x = 247,369,355,446.53/652,170.15
  6. Step 6: Final answer
    x = 379,301.87

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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.