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Finding the Fourth Proportional to 452.34, 678.35 and 167.01

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Solution

The fourth proportional to 452.34, 678.35 and 167.01 is: 250.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.34 : 678.35 = 167.01 : x
  2. Step 2: Convert to fraction form
    452.34/678.35 = 167.01/x
  3. Step 3: Cross multiply
    452.34x = 678.35 × 167.01
  4. Step 4: Simplify right side
    452.34x = 113,293.57
  5. Step 5: Solve for x
    x = 113,293.57/452.34
  6. Step 6: Final answer
    x = 250.46

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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.