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Finding the Fourth Proportional to 633,996.72, 951,140.88 and 207,546.30

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Solution

The fourth proportional to 633,996.72, 951,140.88 and 207,546.30 is: 311,367.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,996.72 : 951,140.88 = 207,546.30 : x
  2. Step 2: Convert to fraction form
    633,996.72/951,140.88 = 207,546.30/x
  3. Step 3: Cross multiply
    633,996.72x = 951,140.88 × 207,546.30
  4. Step 4: Simplify right side
    633,996.72x = 197,405,770,422.74
  5. Step 5: Solve for x
    x = 197,405,770,422.74/633,996.72
  6. Step 6: Final answer
    x = 311,367.18

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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.