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Finding the Fourth Proportional to 361,697.39, 542,435.25 and 250,094.78

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Solution

The fourth proportional to 361,697.39, 542,435.25 and 250,094.78 is: 375,065.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,697.39 : 542,435.25 = 250,094.78 : x
  2. Step 2: Convert to fraction form
    361,697.39/542,435.25 = 250,094.78/x
  3. Step 3: Cross multiply
    361,697.39x = 542,435.25 × 250,094.78
  4. Step 4: Simplify right side
    361,697.39x = 135,660,221,800.82
  5. Step 5: Solve for x
    x = 135,660,221,800.82/361,697.39
  6. Step 6: Final answer
    x = 375,065.53

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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.