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Finding the Fourth Proportional to 373,843.38, 515,903.64 and 204,077.46

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Solution

The fourth proportional to 373,843.38, 515,903.64 and 204,077.46 is: 281,626.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,843.38 : 515,903.64 = 204,077.46 : x
  2. Step 2: Convert to fraction form
    373,843.38/515,903.64 = 204,077.46/x
  3. Step 3: Cross multiply
    373,843.38x = 515,903.64 × 204,077.46
  4. Step 4: Simplify right side
    373,843.38x = 105,284,304,455.95
  5. Step 5: Solve for x
    x = 105,284,304,455.95/373,843.38
  6. Step 6: Final answer
    x = 281,626.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.