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Finding the Fourth Proportional to 577.92, 866.91 and 167.08

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Solution

The fourth proportional to 577.92, 866.91 and 167.08 is: 250.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    577.92 : 866.91 = 167.08 : x
  2. Step 2: Convert to fraction form
    577.92/866.91 = 167.08/x
  3. Step 3: Cross multiply
    577.92x = 866.91 × 167.08
  4. Step 4: Simplify right side
    577.92x = 144,843.32
  5. Step 5: Solve for x
    x = 144,843.32/577.92
  6. Step 6: Final answer
    x = 250.63

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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.