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Finding the Fourth Proportional to 301.46, 452.01 and 118.70

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Solution

The fourth proportional to 301.46, 452.01 and 118.70 is: 177.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.46 : 452.01 = 118.70 : x
  2. Step 2: Convert to fraction form
    301.46/452.01 = 118.70/x
  3. Step 3: Cross multiply
    301.46x = 452.01 × 118.70
  4. Step 4: Simplify right side
    301.46x = 53,653.59
  5. Step 5: Solve for x
    x = 53,653.59/301.46
  6. Step 6: Final answer
    x = 177.98

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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.