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Finding the Fourth Proportional to 834,165.80, 1,251,175.80 and 273,200.30

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Solution

The fourth proportional to 834,165.80, 1,251,175.80 and 273,200.30 is: 409,776.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,165.80 : 1,251,175.80 = 273,200.30 : x
  2. Step 2: Convert to fraction form
    834,165.80/1,251,175.80 = 273,200.30/x
  3. Step 3: Cross multiply
    834,165.80x = 1,251,175.80 × 273,200.30
  4. Step 4: Simplify right side
    834,165.80x = 341,821,603,912.74
  5. Step 5: Solve for x
    x = 341,821,603,912.74/834,165.80
  6. Step 6: Final answer
    x = 409,776.57

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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.