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Finding the Fourth Proportional to 2,203.90, 3,304.89 and 834.94

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Solution

The fourth proportional to 2,203.90, 3,304.89 and 834.94 is: 1,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.90 : 3,304.89 = 834.94 : x
  2. Step 2: Convert to fraction form
    2,203.90/3,304.89 = 834.94/x
  3. Step 3: Cross multiply
    2,203.90x = 3,304.89 × 834.94
  4. Step 4: Simplify right side
    2,203.90x = 2,759,384.86
  5. Step 5: Solve for x
    x = 2,759,384.86/2,203.90
  6. Step 6: Final answer
    x = 1,252.05

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1.5x scale

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.