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Finding the Fourth Proportional to 949.88, 1,310.84 and 601.04

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Solution

The fourth proportional to 949.88, 1,310.84 and 601.04 is: 829.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    949.88 : 1,310.84 = 601.04 : x
  2. Step 2: Convert to fraction form
    949.88/1,310.84 = 601.04/x
  3. Step 3: Cross multiply
    949.88x = 1,310.84 × 601.04
  4. Step 4: Simplify right side
    949.88x = 787,857.71
  5. Step 5: Solve for x
    x = 787,857.71/949.88
  6. Step 6: Final answer
    x = 829.43

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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.