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Finding the Fourth Proportional to 962.97, 1,444.29 and 346.56

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Solution

The fourth proportional to 962.97, 1,444.29 and 346.56 is: 519.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.97 : 1,444.29 = 346.56 : x
  2. Step 2: Convert to fraction form
    962.97/1,444.29 = 346.56/x
  3. Step 3: Cross multiply
    962.97x = 1,444.29 × 346.56
  4. Step 4: Simplify right side
    962.97x = 500,530.40
  5. Step 5: Solve for x
    x = 500,530.40/962.97
  6. Step 6: Final answer
    x = 519.78

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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.