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Finding the Fourth Proportional to 275,459.58, 381,227.04 and 268,832.88

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Solution

The fourth proportional to 275,459.58, 381,227.04 and 268,832.88 is: 372,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,459.58 : 381,227.04 = 268,832.88 : x
  2. Step 2: Convert to fraction form
    275,459.58/381,227.04 = 268,832.88/x
  3. Step 3: Cross multiply
    275,459.58x = 381,227.04 × 268,832.88
  4. Step 4: Simplify right side
    275,459.58x = 102,486,363,097.08
  5. Step 5: Solve for x
    x = 102,486,363,097.08/275,459.58
  6. Step 6: Final answer
    x = 372,055.90

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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.