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Finding the Fourth Proportional to 296.84, 445.11 and 123.36

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Solution

The fourth proportional to 296.84, 445.11 and 123.36 is: 184.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.84 : 445.11 = 123.36 : x
  2. Step 2: Convert to fraction form
    296.84/445.11 = 123.36/x
  3. Step 3: Cross multiply
    296.84x = 445.11 × 123.36
  4. Step 4: Simplify right side
    296.84x = 54,908.77
  5. Step 5: Solve for x
    x = 54,908.77/296.84
  6. Step 6: Final answer
    x = 184.98

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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.