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Finding the Fourth Proportional to 534,057.72, 801,084.56 and 218,514.52

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Solution

The fourth proportional to 534,057.72, 801,084.56 and 218,514.52 is: 327,770.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,057.72 : 801,084.56 = 218,514.52 : x
  2. Step 2: Convert to fraction form
    534,057.72/801,084.56 = 218,514.52/x
  3. Step 3: Cross multiply
    534,057.72x = 801,084.56 × 218,514.52
  4. Step 4: Simplify right side
    534,057.72x = 175,048,608,107.81
  5. Step 5: Solve for x
    x = 175,048,608,107.81/534,057.72
  6. Step 6: Final answer
    x = 327,770.95

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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.