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Finding the Fourth Proportional to 350.31, 525.53 and 167.58

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Solution

The fourth proportional to 350.31, 525.53 and 167.58 is: 251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.31 : 525.53 = 167.58 : x
  2. Step 2: Convert to fraction form
    350.31/525.53 = 167.58/x
  3. Step 3: Cross multiply
    350.31x = 525.53 × 167.58
  4. Step 4: Simplify right side
    350.31x = 88,068.32
  5. Step 5: Solve for x
    x = 88,068.32/350.31
  6. Step 6: Final answer
    x = 251.40

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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.