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Finding the Fourth Proportional to 552,868.70, 763,194.23 and 371,685.72

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Solution

The fourth proportional to 552,868.70, 763,194.23 and 371,685.72 is: 513,084.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,868.70 : 763,194.23 = 371,685.72 : x
  2. Step 2: Convert to fraction form
    552,868.70/763,194.23 = 371,685.72/x
  3. Step 3: Cross multiply
    552,868.70x = 763,194.23 × 371,685.72
  4. Step 4: Simplify right side
    552,868.70x = 283,668,394,596.18
  5. Step 5: Solve for x
    x = 283,668,394,596.18/552,868.70
  6. Step 6: Final answer
    x = 513,084.56

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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.