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Finding the Fourth Proportional to 774.72, 1,162.70 and 600.97

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Solution

The fourth proportional to 774.72, 1,162.70 and 600.97 is: 901.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    774.72 : 1,162.70 = 600.97 : x
  2. Step 2: Convert to fraction form
    774.72/1,162.70 = 600.97/x
  3. Step 3: Cross multiply
    774.72x = 1,162.70 × 600.97
  4. Step 4: Simplify right side
    774.72x = 698,744.81
  5. Step 5: Solve for x
    x = 698,744.81/774.72
  6. Step 6: Final answer
    x = 901.94

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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.