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Finding the Fourth Proportional to 534,055.72, 801,081.56 and 218,512.52

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Solution

The fourth proportional to 534,055.72, 801,081.56 and 218,512.52 is: 327,767.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,055.72 : 801,081.56 = 218,512.52 : x
  2. Step 2: Convert to fraction form
    534,055.72/801,081.56 = 218,512.52/x
  3. Step 3: Cross multiply
    534,055.72x = 801,081.56 × 218,512.52
  4. Step 4: Simplify right side
    534,055.72x = 175,046,350,401.13
  5. Step 5: Solve for x
    x = 175,046,350,401.13/534,055.72
  6. Step 6: Final answer
    x = 327,767.95

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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.