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Finding the Fourth Proportional to 527,225.60, 790,627.20 and 194,727.68

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Solution

The fourth proportional to 527,225.60, 790,627.20 and 194,727.68 is: 292,013.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,225.60 : 790,627.20 = 194,727.68 : x
  2. Step 2: Convert to fraction form
    527,225.60/790,627.20 = 194,727.68/x
  3. Step 3: Cross multiply
    527,225.60x = 790,627.20 × 194,727.68
  4. Step 4: Simplify right side
    527,225.60x = 153,957,000,400.90
  5. Step 5: Solve for x
    x = 153,957,000,400.90/527,225.60
  6. Step 6: Final answer
    x = 292,013.51

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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.