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Finding the Fourth Proportional to 389,794.75, 584,692.13 and 94,306.75

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Solution

The fourth proportional to 389,794.75, 584,692.13 and 94,306.75 is: 141,460.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,794.75 : 584,692.13 = 94,306.75 : x
  2. Step 2: Convert to fraction form
    389,794.75/584,692.13 = 94,306.75/x
  3. Step 3: Cross multiply
    389,794.75x = 584,692.13 × 94,306.75
  4. Step 4: Simplify right side
    389,794.75x = 55,140,414,530.88
  5. Step 5: Solve for x
    x = 55,140,414,530.88/389,794.75
  6. Step 6: Final answer
    x = 141,460.13

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Similar ratio
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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.