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Finding the Fourth Proportional to 325.52, 488.01 and 117.23

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Solution

The fourth proportional to 325.52, 488.01 and 117.23 is: 175.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.52 : 488.01 = 117.23 : x
  2. Step 2: Convert to fraction form
    325.52/488.01 = 117.23/x
  3. Step 3: Cross multiply
    325.52x = 488.01 × 117.23
  4. Step 4: Simplify right side
    325.52x = 57,209.41
  5. Step 5: Solve for x
    x = 57,209.41/325.52
  6. Step 6: Final answer
    x = 175.75

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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.