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Finding the Fourth Proportional to 297.32, 445.98 and 124.08

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Solution

The fourth proportional to 297.32, 445.98 and 124.08 is: 186.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.32 : 445.98 = 124.08 : x
  2. Step 2: Convert to fraction form
    297.32/445.98 = 124.08/x
  3. Step 3: Cross multiply
    297.32x = 445.98 × 124.08
  4. Step 4: Simplify right side
    297.32x = 55,336.58
  5. Step 5: Solve for x
    x = 55,336.58/297.32
  6. Step 6: Final answer
    x = 186.12

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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.