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Finding the Fourth Proportional to 423.34, 584.02 and 246.29

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Solution

The fourth proportional to 423.34, 584.02 and 246.29 is: 339.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    423.34 : 584.02 = 246.29 : x
  2. Step 2: Convert to fraction form
    423.34/584.02 = 246.29/x
  3. Step 3: Cross multiply
    423.34x = 584.02 × 246.29
  4. Step 4: Simplify right side
    423.34x = 143,838.29
  5. Step 5: Solve for x
    x = 143,838.29/423.34
  6. Step 6: Final answer
    x = 339.77

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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.