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Finding the Fourth Proportional to 400,656.26, 600,759.74 and 274,439.03

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Solution

The fourth proportional to 400,656.26, 600,759.74 and 274,439.03 is: 411,504.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,656.26 : 600,759.74 = 274,439.03 : x
  2. Step 2: Convert to fraction form
    400,656.26/600,759.74 = 274,439.03/x
  3. Step 3: Cross multiply
    400,656.26x = 600,759.74 × 274,439.03
  4. Step 4: Simplify right side
    400,656.26x = 164,871,917,990.95
  5. Step 5: Solve for x
    x = 164,871,917,990.95/400,656.26
  6. Step 6: Final answer
    x = 411,504.66

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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.