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Finding the Fourth Proportional to 322.14, 483.36 and 177.96

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Solution

The fourth proportional to 322.14, 483.36 and 177.96 is: 267.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.14 : 483.36 = 177.96 : x
  2. Step 2: Convert to fraction form
    322.14/483.36 = 177.96/x
  3. Step 3: Cross multiply
    322.14x = 483.36 × 177.96
  4. Step 4: Simplify right side
    322.14x = 86,018.75
  5. Step 5: Solve for x
    x = 86,018.75/322.14
  6. Step 6: Final answer
    x = 267.02

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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.