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Finding the Fourth Proportional to 379,083.72, 568,953.09 and 154,567.92

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Solution

The fourth proportional to 379,083.72, 568,953.09 and 154,567.92 is: 231,985.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,083.72 : 568,953.09 = 154,567.92 : x
  2. Step 2: Convert to fraction form
    379,083.72/568,953.09 = 154,567.92/x
  3. Step 3: Cross multiply
    379,083.72x = 568,953.09 × 154,567.92
  4. Step 4: Simplify right side
    379,083.72x = 87,941,895,698.87
  5. Step 5: Solve for x
    x = 87,941,895,698.87/379,083.72
  6. Step 6: Final answer
    x = 231,985.42

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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.