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Finding the Fourth Proportional to 949.44, 1,309.56 and 595.02

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Solution

The fourth proportional to 949.44, 1,309.56 and 595.02 is: 820.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    949.44 : 1,309.56 = 595.02 : x
  2. Step 2: Convert to fraction form
    949.44/1,309.56 = 595.02/x
  3. Step 3: Cross multiply
    949.44x = 1,309.56 × 595.02
  4. Step 4: Simplify right side
    949.44x = 779,214.39
  5. Step 5: Solve for x
    x = 779,214.39/949.44
  6. Step 6: Final answer
    x = 820.71

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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.