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Finding the Fourth Proportional to 984.63, 1,476.95 and 335.35

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Solution

The fourth proportional to 984.63, 1,476.95 and 335.35 is: 503.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    984.63 : 1,476.95 = 335.35 : x
  2. Step 2: Convert to fraction form
    984.63/1,476.95 = 335.35/x
  3. Step 3: Cross multiply
    984.63x = 1,476.95 × 335.35
  4. Step 4: Simplify right side
    984.63x = 495,295.18
  5. Step 5: Solve for x
    x = 495,295.18/984.63
  6. Step 6: Final answer
    x = 503.03

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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.