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Finding the Fourth Proportional to 322.59, 483.77 and 117.11

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Solution

The fourth proportional to 322.59, 483.77 and 117.11 is: 175.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.59 : 483.77 = 117.11 : x
  2. Step 2: Convert to fraction form
    322.59/483.77 = 117.11/x
  3. Step 3: Cross multiply
    322.59x = 483.77 × 117.11
  4. Step 4: Simplify right side
    322.59x = 56,654.30
  5. Step 5: Solve for x
    x = 56,654.30/322.59
  6. Step 6: Final answer
    x = 175.62

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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.