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Finding the Fourth Proportional to 382,625.02, 527,879.91 and 239,330.62

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Solution

The fourth proportional to 382,625.02, 527,879.91 and 239,330.62 is: 330,187.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,625.02 : 527,879.91 = 239,330.62 : x
  2. Step 2: Convert to fraction form
    382,625.02/527,879.91 = 239,330.62/x
  3. Step 3: Cross multiply
    382,625.02x = 527,879.91 × 239,330.62
  4. Step 4: Simplify right side
    382,625.02x = 126,337,826,145.84
  5. Step 5: Solve for x
    x = 126,337,826,145.84/382,625.02
  6. Step 6: Final answer
    x = 330,187.05

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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.