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Finding the Fourth Proportional to 296.80, 444.72 and 123.32

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Solution

The fourth proportional to 296.80, 444.72 and 123.32 is: 184.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.80 : 444.72 = 123.32 : x
  2. Step 2: Convert to fraction form
    296.80/444.72 = 123.32/x
  3. Step 3: Cross multiply
    296.80x = 444.72 × 123.32
  4. Step 4: Simplify right side
    296.80x = 54,844.44
  5. Step 5: Solve for x
    x = 54,844.44/296.80
  6. Step 6: Final answer
    x = 184.79

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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.