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Finding the Fourth Proportional to 700,249.91, 966,335.52 and 394,356.50

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Solution

The fourth proportional to 700,249.91, 966,335.52 and 394,356.50 is: 544,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,249.91 : 966,335.52 = 394,356.50 : x
  2. Step 2: Convert to fraction form
    700,249.91/966,335.52 = 394,356.50/x
  3. Step 3: Cross multiply
    700,249.91x = 966,335.52 × 394,356.50
  4. Step 4: Simplify right side
    700,249.91x = 381,080,691,545.54
  5. Step 5: Solve for x
    x = 381,080,691,545.54/700,249.91
  6. Step 6: Final answer
    x = 544,206.70

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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.