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Finding the Fourth Proportional to 292.34, 437.74 and 231.59

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Solution

The fourth proportional to 292.34, 437.74 and 231.59 is: 346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.34 : 437.74 = 231.59 : x
  2. Step 2: Convert to fraction form
    292.34/437.74 = 231.59/x
  3. Step 3: Cross multiply
    292.34x = 437.74 × 231.59
  4. Step 4: Simplify right side
    292.34x = 101,376.72
  5. Step 5: Solve for x
    x = 101,376.72/292.34
  6. Step 6: Final answer
    x = 346.77

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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.