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Finding the Fourth Proportional to 431.34, 595.24 and 244.86

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Solution

The fourth proportional to 431.34, 595.24 and 244.86 is: 337.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    431.34 : 595.24 = 244.86 : x
  2. Step 2: Convert to fraction form
    431.34/595.24 = 244.86/x
  3. Step 3: Cross multiply
    431.34x = 595.24 × 244.86
  4. Step 4: Simplify right side
    431.34x = 145,749.24
  5. Step 5: Solve for x
    x = 145,749.24/431.34
  6. Step 6: Final answer
    x = 337.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.