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Finding the Fourth Proportional to 325,082.27, 487,675.50 and 100,389.89

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Solution

The fourth proportional to 325,082.27, 487,675.50 and 100,389.89 is: 150,600.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,082.27 : 487,675.50 = 100,389.89 : x
  2. Step 2: Convert to fraction form
    325,082.27/487,675.50 = 100,389.89/x
  3. Step 3: Cross multiply
    325,082.27x = 487,675.50 × 100,389.89
  4. Step 4: Simplify right side
    325,082.27x = 48,957,691,019.88
  5. Step 5: Solve for x
    x = 48,957,691,019.88/325,082.27
  6. Step 6: Final answer
    x = 150,600.93

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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.