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Finding the Fourth Proportional to 525.53, 788.24 and 160.58

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Solution

The fourth proportional to 525.53, 788.24 and 160.58 is: 240.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.53 : 788.24 = 160.58 : x
  2. Step 2: Convert to fraction form
    525.53/788.24 = 160.58/x
  3. Step 3: Cross multiply
    525.53x = 788.24 × 160.58
  4. Step 4: Simplify right side
    525.53x = 126,572.04
  5. Step 5: Solve for x
    x = 126,572.04/525.53
  6. Step 6: Final answer
    x = 240.85

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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.