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Finding the Fourth Proportional to 596.81, 895.10 and 422.98

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Solution

The fourth proportional to 596.81, 895.10 and 422.98 is: 634.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.81 : 895.10 = 422.98 : x
  2. Step 2: Convert to fraction form
    596.81/895.10 = 422.98/x
  3. Step 3: Cross multiply
    596.81x = 895.10 × 422.98
  4. Step 4: Simplify right side
    596.81x = 378,605.05
  5. Step 5: Solve for x
    x = 378,605.05/596.81
  6. Step 6: Final answer
    x = 634.38

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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.