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Finding the Fourth Proportional to 250, 374.96 and 177.64

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Solution

The fourth proportional to 250, 374.96 and 177.64 is: 266.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    250 : 374.96 = 177.64 : x
  2. Step 2: Convert to fraction form
    250/374.96 = 177.64/x
  3. Step 3: Cross multiply
    250x = 374.96 × 177.64
  4. Step 4: Simplify right side
    250x = 66,607.89
  5. Step 5: Solve for x
    x = 66,607.89/250
  6. Step 6: Final answer
    x = 266.43

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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.