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Finding the Fourth Proportional to 297,510.57, 410,568.89 and 161,544.78

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Solution

The fourth proportional to 297,510.57, 410,568.89 and 161,544.78 is: 222,934.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,510.57 : 410,568.89 = 161,544.78 : x
  2. Step 2: Convert to fraction form
    297,510.57/410,568.89 = 161,544.78/x
  3. Step 3: Cross multiply
    297,510.57x = 410,568.89 × 161,544.78
  4. Step 4: Simplify right side
    297,510.57x = 66,325,260,202.17
  5. Step 5: Solve for x
    x = 66,325,260,202.17/297,510.57
  6. Step 6: Final answer
    x = 222,934.13

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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.