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Finding the Fourth Proportional to 349.04, 481.66 and 207.26

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Solution

The fourth proportional to 349.04, 481.66 and 207.26 is: 286.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.04 : 481.66 = 207.26 : x
  2. Step 2: Convert to fraction form
    349.04/481.66 = 207.26/x
  3. Step 3: Cross multiply
    349.04x = 481.66 × 207.26
  4. Step 4: Simplify right side
    349.04x = 99,828.27
  5. Step 5: Solve for x
    x = 99,828.27/349.04
  6. Step 6: Final answer
    x = 286.01

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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.