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Finding the Fourth Proportional to 297.02, 444.66 and 186.98

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Solution

The fourth proportional to 297.02, 444.66 and 186.98 is: 279.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.02 : 444.66 = 186.98 : x
  2. Step 2: Convert to fraction form
    297.02/444.66 = 186.98/x
  3. Step 3: Cross multiply
    297.02x = 444.66 × 186.98
  4. Step 4: Simplify right side
    297.02x = 83,142.53
  5. Step 5: Solve for x
    x = 83,142.53/297.02
  6. Step 6: Final answer
    x = 279.92

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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.