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Finding the Fourth Proportional to 296.70, 444.48 and 228.12

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Solution

The fourth proportional to 296.70, 444.48 and 228.12 is: 341.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.70 : 444.48 = 228.12 : x
  2. Step 2: Convert to fraction form
    296.70/444.48 = 228.12/x
  3. Step 3: Cross multiply
    296.70x = 444.48 × 228.12
  4. Step 4: Simplify right side
    296.70x = 101,394.78
  5. Step 5: Solve for x
    x = 101,394.78/296.70
  6. Step 6: Final answer
    x = 341.74

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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.