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Finding the Fourth Proportional to 437,249.94, 654,393.47 and 268,876.91

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Solution

The fourth proportional to 437,249.94, 654,393.47 and 268,876.91 is: 402,404.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,249.94 : 654,393.47 = 268,876.91 : x
  2. Step 2: Convert to fraction form
    437,249.94/654,393.47 = 268,876.91/x
  3. Step 3: Cross multiply
    437,249.94x = 654,393.47 × 268,876.91
  4. Step 4: Simplify right side
    437,249.94x = 175,951,289,521.43
  5. Step 5: Solve for x
    x = 175,951,289,521.43/437,249.94
  6. Step 6: Final answer
    x = 402,404.38

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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.