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Finding the Fourth Proportional to 984.02, 1,476.03 and 335.18

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Solution

The fourth proportional to 984.02, 1,476.03 and 335.18 is: 502.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    984.02 : 1,476.03 = 335.18 : x
  2. Step 2: Convert to fraction form
    984.02/1,476.03 = 335.18/x
  3. Step 3: Cross multiply
    984.02x = 1,476.03 × 335.18
  4. Step 4: Simplify right side
    984.02x = 494,735.74
  5. Step 5: Solve for x
    x = 494,735.74/984.02
  6. Step 6: Final answer
    x = 502.77

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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.