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Finding the Fourth Proportional to 525.28, 788 and 160.02

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Solution

The fourth proportional to 525.28, 788 and 160.02 is: 240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.28 : 788 = 160.02 : x
  2. Step 2: Convert to fraction form
    525.28/788 = 160.02/x
  3. Step 3: Cross multiply
    525.28x = 788 × 160.02
  4. Step 4: Simplify right side
    525.28x = 126,095.76
  5. Step 5: Solve for x
    x = 126,095.76/525.28
  6. Step 6: Final answer
    x = 240.05

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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.