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Finding the Fourth Proportional to 484.04, 725.64 and 175.85

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Solution

The fourth proportional to 484.04, 725.64 and 175.85 is: 263.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.04 : 725.64 = 175.85 : x
  2. Step 2: Convert to fraction form
    484.04/725.64 = 175.85/x
  3. Step 3: Cross multiply
    484.04x = 725.64 × 175.85
  4. Step 4: Simplify right side
    484.04x = 127,603.79
  5. Step 5: Solve for x
    x = 127,603.79/484.04
  6. Step 6: Final answer
    x = 263.62

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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.