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Finding the Fourth Proportional to 322.00, 482.84 and 116.54

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Solution

The fourth proportional to 322.00, 482.84 and 116.54 is: 174.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.00 : 482.84 = 116.54 : x
  2. Step 2: Convert to fraction form
    322.00/482.84 = 116.54/x
  3. Step 3: Cross multiply
    322.00x = 482.84 × 116.54
  4. Step 4: Simplify right side
    322.00x = 56,267.61
  5. Step 5: Solve for x
    x = 56,267.61/322.00
  6. Step 6: Final answer
    x = 174.75

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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.