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Finding the Fourth Proportional to 381,873.78, 572,537.97 and 179,356.77

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Solution

The fourth proportional to 381,873.78, 572,537.97 and 179,356.77 is: 268,907.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,873.78 : 572,537.97 = 179,356.77 : x
  2. Step 2: Convert to fraction form
    381,873.78/572,537.97 = 179,356.77/x
  3. Step 3: Cross multiply
    381,873.78x = 572,537.97 × 179,356.77
  4. Step 4: Simplify right side
    381,873.78x = 102,688,561,001.56
  5. Step 5: Solve for x
    x = 102,688,561,001.56/381,873.78
  6. Step 6: Final answer
    x = 268,907.07

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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.