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Finding the Fourth Proportional to 322.04, 482.76 and 116.56

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Solution

The fourth proportional to 322.04, 482.76 and 116.56 is: 174.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.04 : 482.76 = 116.56 : x
  2. Step 2: Convert to fraction form
    322.04/482.76 = 116.56/x
  3. Step 3: Cross multiply
    322.04x = 482.76 × 116.56
  4. Step 4: Simplify right side
    322.04x = 56,270.51
  5. Step 5: Solve for x
    x = 56,270.51/322.04
  6. Step 6: Final answer
    x = 174.73

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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.