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Finding the Fourth Proportional to 332.27, 498.64 and 124.22

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Solution

The fourth proportional to 332.27, 498.64 and 124.22 is: 186.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.27 : 498.64 = 124.22 : x
  2. Step 2: Convert to fraction form
    332.27/498.64 = 124.22/x
  3. Step 3: Cross multiply
    332.27x = 498.64 × 124.22
  4. Step 4: Simplify right side
    332.27x = 61,941.06
  5. Step 5: Solve for x
    x = 61,941.06/332.27
  6. Step 6: Final answer
    x = 186.42

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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.