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Finding the Fourth Proportional to 267,847.83, 399,405.27 and 265,443.75

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Solution

The fourth proportional to 267,847.83, 399,405.27 and 265,443.75 is: 395,820.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,847.83 : 399,405.27 = 265,443.75 : x
  2. Step 2: Convert to fraction form
    267,847.83/399,405.27 = 265,443.75/x
  3. Step 3: Cross multiply
    267,847.83x = 399,405.27 × 265,443.75
  4. Step 4: Simplify right side
    267,847.83x = 106,019,631,305.15
  5. Step 5: Solve for x
    x = 106,019,631,305.15/267,847.83
  6. Step 6: Final answer
    x = 395,820.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.