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Finding the Fourth Proportional to 409.93, 565.73 and 244.06

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Solution

The fourth proportional to 409.93, 565.73 and 244.06 is: 336.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    409.93 : 565.73 = 244.06 : x
  2. Step 2: Convert to fraction form
    409.93/565.73 = 244.06/x
  3. Step 3: Cross multiply
    409.93x = 565.73 × 244.06
  4. Step 4: Simplify right side
    409.93x = 138,072.06
  5. Step 5: Solve for x
    x = 138,072.06/409.93
  6. Step 6: Final answer
    x = 336.82

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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.