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Finding the Fourth Proportional to 896.67, 1,344.47 and 377.01

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Solution

The fourth proportional to 896.67, 1,344.47 and 377.01 is: 565.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    896.67 : 1,344.47 = 377.01 : x
  2. Step 2: Convert to fraction form
    896.67/1,344.47 = 377.01/x
  3. Step 3: Cross multiply
    896.67x = 1,344.47 × 377.01
  4. Step 4: Simplify right side
    896.67x = 506,876.75
  5. Step 5: Solve for x
    x = 506,876.75/896.67
  6. Step 6: Final answer
    x = 565.29

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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.