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Finding the Fourth Proportional to 381,226.68, 526,188.60 and 258,926.22

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Solution

The fourth proportional to 381,226.68, 526,188.60 and 258,926.22 is: 357,383.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,226.68 : 526,188.60 = 258,926.22 : x
  2. Step 2: Convert to fraction form
    381,226.68/526,188.60 = 258,926.22/x
  3. Step 3: Cross multiply
    381,226.68x = 526,188.60 × 258,926.22
  4. Step 4: Simplify right side
    381,226.68x = 136,244,025,205.09
  5. Step 5: Solve for x
    x = 136,244,025,205.09/381,226.68
  6. Step 6: Final answer
    x = 357,383.24

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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.