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Finding the Fourth Proportional to 297,708.60, 410,856.22 and 170,381.46

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Solution

The fourth proportional to 297,708.60, 410,856.22 and 170,381.46 is: 235,136.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,708.60 : 410,856.22 = 170,381.46 : x
  2. Step 2: Convert to fraction form
    297,708.60/410,856.22 = 170,381.46/x
  3. Step 3: Cross multiply
    297,708.60x = 410,856.22 × 170,381.46
  4. Step 4: Simplify right side
    297,708.60x = 70,002,282,613.68
  5. Step 5: Solve for x
    x = 70,002,282,613.68/297,708.60
  6. Step 6: Final answer
    x = 235,136.92

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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.