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Finding the Fourth Proportional to 846, 1,269 and 333.36

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Solution

The fourth proportional to 846, 1,269 and 333.36 is: 500.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    846 : 1,269 = 333.36 : x
  2. Step 2: Convert to fraction form
    846/1,269 = 333.36/x
  3. Step 3: Cross multiply
    846x = 1,269 × 333.36
  4. Step 4: Simplify right side
    846x = 423,033.84
  5. Step 5: Solve for x
    x = 423,033.84/846
  6. Step 6: Final answer
    x = 500.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.