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Finding the Fourth Proportional to 535.68, 803.70 and 170.52

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Solution

The fourth proportional to 535.68, 803.70 and 170.52 is: 255.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.68 : 803.70 = 170.52 : x
  2. Step 2: Convert to fraction form
    535.68/803.70 = 170.52/x
  3. Step 3: Cross multiply
    535.68x = 803.70 × 170.52
  4. Step 4: Simplify right side
    535.68x = 137,046.92
  5. Step 5: Solve for x
    x = 137,046.92/535.68
  6. Step 6: Final answer
    x = 255.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.