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Finding the Fourth Proportional to 533,766.20, 801,102.90 and 218,449.40

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Solution

The fourth proportional to 533,766.20, 801,102.90 and 218,449.40 is: 327,859.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,766.20 : 801,102.90 = 218,449.40 : x
  2. Step 2: Convert to fraction form
    533,766.20/801,102.90 = 218,449.40/x
  3. Step 3: Cross multiply
    533,766.20x = 801,102.90 × 218,449.40
  4. Step 4: Simplify right side
    533,766.20x = 175,000,447,843.26
  5. Step 5: Solve for x
    x = 175,000,447,843.26/533,766.20
  6. Step 6: Final answer
    x = 327,859.74

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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.