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Finding the Fourth Proportional to 431.06, 594.78 and 244.53

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Solution

The fourth proportional to 431.06, 594.78 and 244.53 is: 337.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    431.06 : 594.78 = 244.53 : x
  2. Step 2: Convert to fraction form
    431.06/594.78 = 244.53/x
  3. Step 3: Cross multiply
    431.06x = 594.78 × 244.53
  4. Step 4: Simplify right side
    431.06x = 145,440.64
  5. Step 5: Solve for x
    x = 145,440.64/431.06
  6. Step 6: Final answer
    x = 337.41

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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.