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Finding the Fourth Proportional to 951.66, 1,426.50 and 605.25

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Solution

The fourth proportional to 951.66, 1,426.50 and 605.25 is: 907.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.66 : 1,426.50 = 605.25 : x
  2. Step 2: Convert to fraction form
    951.66/1,426.50 = 605.25/x
  3. Step 3: Cross multiply
    951.66x = 1,426.50 × 605.25
  4. Step 4: Simplify right side
    951.66x = 863,389.13
  5. Step 5: Solve for x
    x = 863,389.13/951.66
  6. Step 6: Final answer
    x = 907.25

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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.