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Finding the Fourth Proportional to 404,327.40, 605,324.70 and 246,863.40

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Solution

The fourth proportional to 404,327.40, 605,324.70 and 246,863.40 is: 369,582.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,327.40 : 605,324.70 = 246,863.40 : x
  2. Step 2: Convert to fraction form
    404,327.40/605,324.70 = 246,863.40/x
  3. Step 3: Cross multiply
    404,327.40x = 605,324.70 × 246,863.40
  4. Step 4: Simplify right side
    404,327.40x = 149,432,513,545.98
  5. Step 5: Solve for x
    x = 149,432,513,545.98/404,327.40
  6. Step 6: Final answer
    x = 369,582.95

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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.