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Finding the Fourth Proportional to 244.60, 337.44 and 151.28

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Solution

The fourth proportional to 244.60, 337.44 and 151.28 is: 208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.60 : 337.44 = 151.28 : x
  2. Step 2: Convert to fraction form
    244.60/337.44 = 151.28/x
  3. Step 3: Cross multiply
    244.60x = 337.44 × 151.28
  4. Step 4: Simplify right side
    244.60x = 51,047.92
  5. Step 5: Solve for x
    x = 51,047.92/244.60
  6. Step 6: Final answer
    x = 208.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.