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Finding the Fourth Proportional to 297.08, 444.88 and 188.56

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Solution

The fourth proportional to 297.08, 444.88 and 188.56 is: 282.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.08 : 444.88 = 188.56 : x
  2. Step 2: Convert to fraction form
    297.08/444.88 = 188.56/x
  3. Step 3: Cross multiply
    297.08x = 444.88 × 188.56
  4. Step 4: Simplify right side
    297.08x = 83,886.57
  5. Step 5: Solve for x
    x = 83,886.57/297.08
  6. Step 6: Final answer
    x = 282.37

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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.