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Finding the Fourth Proportional to 331,353.56, 457,246.16 and 195,380.93

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Solution

The fourth proportional to 331,353.56, 457,246.16 and 195,380.93 is: 269,612.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,353.56 : 457,246.16 = 195,380.93 : x
  2. Step 2: Convert to fraction form
    331,353.56/457,246.16 = 195,380.93/x
  3. Step 3: Cross multiply
    331,353.56x = 457,246.16 × 195,380.93
  4. Step 4: Simplify right side
    331,353.56x = 89,337,176,716.59
  5. Step 5: Solve for x
    x = 89,337,176,716.59/331,353.56
  6. Step 6: Final answer
    x = 269,612.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.