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Finding the Fourth Proportional to 984.68, 1,476.02 and 335.08

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Solution

The fourth proportional to 984.68, 1,476.02 and 335.08 is: 502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    984.68 : 1,476.02 = 335.08 : x
  2. Step 2: Convert to fraction form
    984.68/1,476.02 = 335.08/x
  3. Step 3: Cross multiply
    984.68x = 1,476.02 × 335.08
  4. Step 4: Simplify right side
    984.68x = 494,584.78
  5. Step 5: Solve for x
    x = 494,584.78/984.68
  6. Step 6: Final answer
    x = 502.28

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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.