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Finding the Fourth Proportional to 596.94, 823.32 and 400.38

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Solution

The fourth proportional to 596.94, 823.32 and 400.38 is: 552.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.94 : 823.32 = 400.38 : x
  2. Step 2: Convert to fraction form
    596.94/823.32 = 400.38/x
  3. Step 3: Cross multiply
    596.94x = 823.32 × 400.38
  4. Step 4: Simplify right side
    596.94x = 329,640.86
  5. Step 5: Solve for x
    x = 329,640.86/596.94
  6. Step 6: Final answer
    x = 552.22

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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.