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Finding the Fourth Proportional to 332.47, 498.77 and 116.20

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Solution

The fourth proportional to 332.47, 498.77 and 116.20 is: 174.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.47 : 498.77 = 116.20 : x
  2. Step 2: Convert to fraction form
    332.47/498.77 = 116.20/x
  3. Step 3: Cross multiply
    332.47x = 498.77 × 116.20
  4. Step 4: Simplify right side
    332.47x = 57,954.00
  5. Step 5: Solve for x
    x = 57,954.00/332.47
  6. Step 6: Final answer
    x = 174.32

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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.