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Finding the Fourth Proportional to 654,753.70, 982,130.55 and 444,801.70

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Solution

The fourth proportional to 654,753.70, 982,130.55 and 444,801.70 is: 667,202.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,753.70 : 982,130.55 = 444,801.70 : x
  2. Step 2: Convert to fraction form
    654,753.70/982,130.55 = 444,801.70/x
  3. Step 3: Cross multiply
    654,753.70x = 982,130.55 × 444,801.70
  4. Step 4: Simplify right side
    654,753.70x = 436,853,338,261.94
  5. Step 5: Solve for x
    x = 436,853,338,261.94/654,753.70
  6. Step 6: Final answer
    x = 667,202.55

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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.