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Finding the Fourth Proportional to 291.67, 437.73 and 176.24

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Solution

The fourth proportional to 291.67, 437.73 and 176.24 is: 264.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    291.67 : 437.73 = 176.24 : x
  2. Step 2: Convert to fraction form
    291.67/437.73 = 176.24/x
  3. Step 3: Cross multiply
    291.67x = 437.73 × 176.24
  4. Step 4: Simplify right side
    291.67x = 77,145.54
  5. Step 5: Solve for x
    x = 77,145.54/291.67
  6. Step 6: Final answer
    x = 264.50

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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.