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Finding the Fourth Proportional to 431.22, 595.10 and 244.74

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Solution

The fourth proportional to 431.22, 595.10 and 244.74 is: 337.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    431.22 : 595.10 = 244.74 : x
  2. Step 2: Convert to fraction form
    431.22/595.10 = 244.74/x
  3. Step 3: Cross multiply
    431.22x = 595.10 × 244.74
  4. Step 4: Simplify right side
    431.22x = 145,644.77
  5. Step 5: Solve for x
    x = 145,644.77/431.22
  6. Step 6: Final answer
    x = 337.75

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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.