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Finding the Fourth Proportional to 527,128.68, 790,770.28 and 167,179.48

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Solution

The fourth proportional to 527,128.68, 790,770.28 and 167,179.48 is: 250,793.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,128.68 : 790,770.28 = 167,179.48 : x
  2. Step 2: Convert to fraction form
    527,128.68/790,770.28 = 167,179.48/x
  3. Step 3: Cross multiply
    527,128.68x = 790,770.28 × 167,179.48
  4. Step 4: Simplify right side
    527,128.68x = 132,200,564,209.85
  5. Step 5: Solve for x
    x = 132,200,564,209.85/527,128.68
  6. Step 6: Final answer
    x = 250,793.72

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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.