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Finding the Fourth Proportional to 235,446.80, 353,170.20 and 217,475.60

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Solution

The fourth proportional to 235,446.80, 353,170.20 and 217,475.60 is: 326,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,446.80 : 353,170.20 = 217,475.60 : x
  2. Step 2: Convert to fraction form
    235,446.80/353,170.20 = 217,475.60/x
  3. Step 3: Cross multiply
    235,446.80x = 353,170.20 × 217,475.60
  4. Step 4: Simplify right side
    235,446.80x = 76,805,901,147.12
  5. Step 5: Solve for x
    x = 76,805,901,147.12/235,446.80
  6. Step 6: Final answer
    x = 326,213.40

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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.