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Finding the Fourth Proportional to 361,661.05, 542,380.82 and 250,058.44

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Solution

The fourth proportional to 361,661.05, 542,380.82 and 250,058.44 is: 375,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,661.05 : 542,380.82 = 250,058.44 : x
  2. Step 2: Convert to fraction form
    361,661.05/542,380.82 = 250,058.44/x
  3. Step 3: Cross multiply
    361,661.05x = 542,380.82 × 250,058.44
  4. Step 4: Simplify right side
    361,661.05x = 135,626,901,162.81
  5. Step 5: Solve for x
    x = 135,626,901,162.81/361,661.05
  6. Step 6: Final answer
    x = 375,011.08

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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.