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Finding the Fourth Proportional to 591,286.80, 886,930.20 and 148,054.80

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Solution

The fourth proportional to 591,286.80, 886,930.20 and 148,054.80 is: 222,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,286.80 : 886,930.20 = 148,054.80 : x
  2. Step 2: Convert to fraction form
    591,286.80/886,930.20 = 148,054.80/x
  3. Step 3: Cross multiply
    591,286.80x = 886,930.20 × 148,054.80
  4. Step 4: Simplify right side
    591,286.80x = 131,314,273,374.96
  5. Step 5: Solve for x
    x = 131,314,273,374.96/591,286.80
  6. Step 6: Final answer
    x = 222,082.20

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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.