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Finding the Fourth Proportional to 483.35, 725.13 and 175.43

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Solution

The fourth proportional to 483.35, 725.13 and 175.43 is: 263.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.35 : 725.13 = 175.43 : x
  2. Step 2: Convert to fraction form
    483.35/725.13 = 175.43/x
  3. Step 3: Cross multiply
    483.35x = 725.13 × 175.43
  4. Step 4: Simplify right side
    483.35x = 127,209.56
  5. Step 5: Solve for x
    x = 127,209.56/483.35
  6. Step 6: Final answer
    x = 263.18

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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.