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Finding the Fourth Proportional to 527,247.56, 727,600.53 and 285,529.39

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Solution

The fourth proportional to 527,247.56, 727,600.53 and 285,529.39 is: 394,029.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,247.56 : 727,600.53 = 285,529.39 : x
  2. Step 2: Convert to fraction form
    527,247.56/727,600.53 = 285,529.39/x
  3. Step 3: Cross multiply
    527,247.56x = 727,600.53 × 285,529.39
  4. Step 4: Simplify right side
    527,247.56x = 207,751,335,494.58
  5. Step 5: Solve for x
    x = 207,751,335,494.58/527,247.56
  6. Step 6: Final answer
    x = 394,029.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.