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Finding the Fourth Proportional to 579,188.39, 868,770 and 158,464.26

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Solution

The fourth proportional to 579,188.39, 868,770 and 158,464.26 is: 237,692.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,188.39 : 868,770 = 158,464.26 : x
  2. Step 2: Convert to fraction form
    579,188.39/868,770 = 158,464.26/x
  3. Step 3: Cross multiply
    579,188.39x = 868,770 × 158,464.26
  4. Step 4: Simplify right side
    579,188.39x = 137,668,995,160.20
  5. Step 5: Solve for x
    x = 137,668,995,160.20/579,188.39
  6. Step 6: Final answer
    x = 237,692.95

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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.