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Finding the Fourth Proportional to 557.33, 835.83 and 167.31

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Solution

The fourth proportional to 557.33, 835.83 and 167.31 is: 250.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    557.33 : 835.83 = 167.31 : x
  2. Step 2: Convert to fraction form
    557.33/835.83 = 167.31/x
  3. Step 3: Cross multiply
    557.33x = 835.83 × 167.31
  4. Step 4: Simplify right side
    557.33x = 139,842.72
  5. Step 5: Solve for x
    x = 139,842.72/557.33
  6. Step 6: Final answer
    x = 250.92

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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.