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Finding the Fourth Proportional to 296.55, 444.99 and 123.18

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Solution

The fourth proportional to 296.55, 444.99 and 123.18 is: 184.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.55 : 444.99 = 123.18 : x
  2. Step 2: Convert to fraction form
    296.55/444.99 = 123.18/x
  3. Step 3: Cross multiply
    296.55x = 444.99 × 123.18
  4. Step 4: Simplify right side
    296.55x = 54,813.87
  5. Step 5: Solve for x
    x = 54,813.87/296.55
  6. Step 6: Final answer
    x = 184.84

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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.