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Finding the Fourth Proportional to 332.41, 498.61 and 140.04

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Solution

The fourth proportional to 332.41, 498.61 and 140.04 is: 210.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.41 : 498.61 = 140.04 : x
  2. Step 2: Convert to fraction form
    332.41/498.61 = 140.04/x
  3. Step 3: Cross multiply
    332.41x = 498.61 × 140.04
  4. Step 4: Simplify right side
    332.41x = 69,825.34
  5. Step 5: Solve for x
    x = 69,825.34/332.41
  6. Step 6: Final answer
    x = 210.06

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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.