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Finding the Fourth Proportional to 423.38, 584.06 and 292.44

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Solution

The fourth proportional to 423.38, 584.06 and 292.44 is: 403.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    423.38 : 584.06 = 292.44 : x
  2. Step 2: Convert to fraction form
    423.38/584.06 = 292.44/x
  3. Step 3: Cross multiply
    423.38x = 584.06 × 292.44
  4. Step 4: Simplify right side
    423.38x = 170,802.51
  5. Step 5: Solve for x
    x = 170,802.51/423.38
  6. Step 6: Final answer
    x = 403.43

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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.