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Finding the Fourth Proportional to 653,190.84, 979,791.12 and 179,902.17

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Solution

The fourth proportional to 653,190.84, 979,791.12 and 179,902.17 is: 269,854.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,190.84 : 979,791.12 = 179,902.17 : x
  2. Step 2: Convert to fraction form
    653,190.84/979,791.12 = 179,902.17/x
  3. Step 3: Cross multiply
    653,190.84x = 979,791.12 × 179,902.17
  4. Step 4: Simplify right side
    653,190.84x = 176,266,548,634.73
  5. Step 5: Solve for x
    x = 176,266,548,634.73/653,190.84
  6. Step 6: Final answer
    x = 269,854.59

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Double scale
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Similar ratio
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1.5x scale

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.