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Finding the Fourth Proportional to 294, 440.52 and 186

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Solution

The fourth proportional to 294, 440.52 and 186 is: 278.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    294 : 440.52 = 186 : x
  2. Step 2: Convert to fraction form
    294/440.52 = 186/x
  3. Step 3: Cross multiply
    294x = 440.52 × 186
  4. Step 4: Simplify right side
    294x = 81,936.72
  5. Step 5: Solve for x
    x = 81,936.72/294
  6. Step 6: Final answer
    x = 278.70

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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.