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Finding the Fourth Proportional to 322.13, 483.08 and 116.64

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Solution

The fourth proportional to 322.13, 483.08 and 116.64 is: 174.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.13 : 483.08 = 116.64 : x
  2. Step 2: Convert to fraction form
    322.13/483.08 = 116.64/x
  3. Step 3: Cross multiply
    322.13x = 483.08 × 116.64
  4. Step 4: Simplify right side
    322.13x = 56,345.87
  5. Step 5: Solve for x
    x = 56,345.87/322.13
  6. Step 6: Final answer
    x = 174.92

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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.