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Finding the Fourth Proportional to 598,186.80, 897,438.60 and 261,082.80

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Solution

The fourth proportional to 598,186.80, 897,438.60 and 261,082.80 is: 391,693.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,186.80 : 897,438.60 = 261,082.80 : x
  2. Step 2: Convert to fraction form
    598,186.80/897,438.60 = 261,082.80/x
  3. Step 3: Cross multiply
    598,186.80x = 897,438.60 × 261,082.80
  4. Step 4: Simplify right side
    598,186.80x = 234,305,782,516.08
  5. Step 5: Solve for x
    x = 234,305,782,516.08/598,186.80
  6. Step 6: Final answer
    x = 391,693.33

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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.