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Finding the Fourth Proportional to 483.50, 725.12 and 175.18

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Solution

The fourth proportional to 483.50, 725.12 and 175.18 is: 262.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.50 : 725.12 = 175.18 : x
  2. Step 2: Convert to fraction form
    483.50/725.12 = 175.18/x
  3. Step 3: Cross multiply
    483.50x = 725.12 × 175.18
  4. Step 4: Simplify right side
    483.50x = 127,026.52
  5. Step 5: Solve for x
    x = 127,026.52/483.50
  6. Step 6: Final answer
    x = 262.72

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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.