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Finding the Fourth Proportional to 295.98, 444.05 and 209.48

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Solution

The fourth proportional to 295.98, 444.05 and 209.48 is: 314.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.98 : 444.05 = 209.48 : x
  2. Step 2: Convert to fraction form
    295.98/444.05 = 209.48/x
  3. Step 3: Cross multiply
    295.98x = 444.05 × 209.48
  4. Step 4: Simplify right side
    295.98x = 93,019.66
  5. Step 5: Solve for x
    x = 93,019.66/295.98
  6. Step 6: Final answer
    x = 314.28

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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.