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Finding the Fourth Proportional to 291.93, 437.33 and 169.94

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Solution

The fourth proportional to 291.93, 437.33 and 169.94 is: 254.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    291.93 : 437.33 = 169.94 : x
  2. Step 2: Convert to fraction form
    291.93/437.33 = 169.94/x
  3. Step 3: Cross multiply
    291.93x = 437.33 × 169.94
  4. Step 4: Simplify right side
    291.93x = 74,319.86
  5. Step 5: Solve for x
    x = 74,319.86/291.93
  6. Step 6: Final answer
    x = 254.58

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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.