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Finding the Fourth Proportional to 253,618.70, 380,594.16 and 95,847.17

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Solution

The fourth proportional to 253,618.70, 380,594.16 and 95,847.17 is: 143,833.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,618.70 : 380,594.16 = 95,847.17 : x
  2. Step 2: Convert to fraction form
    253,618.70/380,594.16 = 95,847.17/x
  3. Step 3: Cross multiply
    253,618.70x = 380,594.16 × 95,847.17
  4. Step 4: Simplify right side
    253,618.70x = 36,478,871,251.56
  5. Step 5: Solve for x
    x = 36,478,871,251.56/253,618.70
  6. Step 6: Final answer
    x = 143,833.53

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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.