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Finding the Fourth Proportional to 791,692.32, 1,187,538.66 and 192,654

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Solution

The fourth proportional to 791,692.32, 1,187,538.66 and 192,654 is: 288,981.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,692.32 : 1,187,538.66 = 192,654 : x
  2. Step 2: Convert to fraction form
    791,692.32/1,187,538.66 = 192,654/x
  3. Step 3: Cross multiply
    791,692.32x = 1,187,538.66 × 192,654
  4. Step 4: Simplify right side
    791,692.32x = 228,784,073,003.64
  5. Step 5: Solve for x
    x = 228,784,073,003.64/791,692.32
  6. Step 6: Final answer
    x = 288,981.04

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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.