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Finding the Fourth Proportional to 400.34, 552.83 and 335.34

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Solution

The fourth proportional to 400.34, 552.83 and 335.34 is: 463.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    400.34 : 552.83 = 335.34 : x
  2. Step 2: Convert to fraction form
    400.34/552.83 = 335.34/x
  3. Step 3: Cross multiply
    400.34x = 552.83 × 335.34
  4. Step 4: Simplify right side
    400.34x = 185,384.34
  5. Step 5: Solve for x
    x = 185,384.34/400.34
  6. Step 6: Final answer
    x = 463.06

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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.