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Finding the Fourth Proportional to 484.52, 726.98 and 176.61

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Solution

The fourth proportional to 484.52, 726.98 and 176.61 is: 264.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.52 : 726.98 = 176.61 : x
  2. Step 2: Convert to fraction form
    484.52/726.98 = 176.61/x
  3. Step 3: Cross multiply
    484.52x = 726.98 × 176.61
  4. Step 4: Simplify right side
    484.52x = 128,393.78
  5. Step 5: Solve for x
    x = 128,393.78/484.52
  6. Step 6: Final answer
    x = 264.99

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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.