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Finding the Fourth Proportional to 244.90, 352.80 and 244.90

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Solution

The fourth proportional to 244.90, 352.80 and 244.90 is: 352.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.90 : 352.80 = 244.90 : x
  2. Step 2: Convert to fraction form
    244.90/352.80 = 244.90/x
  3. Step 3: Cross multiply
    244.90x = 352.80 × 244.90
  4. Step 4: Simplify right side
    244.90x = 86,400.72
  5. Step 5: Solve for x
    x = 86,400.72/244.90
  6. Step 6: Final answer
    x = 352.80

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.