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Finding the Fourth Proportional to 526,251.22, 789,474.18 and 166,512.61

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Solution

The fourth proportional to 526,251.22, 789,474.18 and 166,512.61 is: 249,799.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,251.22 : 789,474.18 = 166,512.61 : x
  2. Step 2: Convert to fraction form
    526,251.22/789,474.18 = 166,512.61/x
  3. Step 3: Cross multiply
    526,251.22x = 789,474.18 × 166,512.61
  4. Step 4: Simplify right side
    526,251.22x = 131,457,406,239.41
  5. Step 5: Solve for x
    x = 131,457,406,239.41/526,251.22
  6. Step 6: Final answer
    x = 249,799.72

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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.