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Finding the Fourth Proportional to 500.96, 751.28 and 176.24

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Solution

The fourth proportional to 500.96, 751.28 and 176.24 is: 264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.96 : 751.28 = 176.24 : x
  2. Step 2: Convert to fraction form
    500.96/751.28 = 176.24/x
  3. Step 3: Cross multiply
    500.96x = 751.28 × 176.24
  4. Step 4: Simplify right side
    500.96x = 132,405.59
  5. Step 5: Solve for x
    x = 132,405.59/500.96
  6. Step 6: Final answer
    x = 264.30

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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.