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Finding the Fourth Proportional to 322.98, 483.50 and 178.26

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Solution

The fourth proportional to 322.98, 483.50 and 178.26 is: 266.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.98 : 483.50 = 178.26 : x
  2. Step 2: Convert to fraction form
    322.98/483.50 = 178.26/x
  3. Step 3: Cross multiply
    322.98x = 483.50 × 178.26
  4. Step 4: Simplify right side
    322.98x = 86,188.71
  5. Step 5: Solve for x
    x = 86,188.71/322.98
  6. Step 6: Final answer
    x = 266.85

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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.