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Finding the Fourth Proportional to 960.93, 1,325.70 and 606.74

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Solution

The fourth proportional to 960.93, 1,325.70 and 606.74 is: 837.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    960.93 : 1,325.70 = 606.74 : x
  2. Step 2: Convert to fraction form
    960.93/1,325.70 = 606.74/x
  3. Step 3: Cross multiply
    960.93x = 1,325.70 × 606.74
  4. Step 4: Simplify right side
    960.93x = 804,348.59
  5. Step 5: Solve for x
    x = 804,348.59/960.93
  6. Step 6: Final answer
    x = 837.05

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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.