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Finding the Fourth Proportional to 404,610.80, 606,916.20 and 254,363.90

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Solution

The fourth proportional to 404,610.80, 606,916.20 and 254,363.90 is: 381,545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,610.80 : 606,916.20 = 254,363.90 : x
  2. Step 2: Convert to fraction form
    404,610.80/606,916.20 = 254,363.90/x
  3. Step 3: Cross multiply
    404,610.80x = 606,916.20 × 254,363.90
  4. Step 4: Simplify right side
    404,610.80x = 154,377,571,605.18
  5. Step 5: Solve for x
    x = 154,377,571,605.18/404,610.80
  6. Step 6: Final answer
    x = 381,545.85

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1.5x scale

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.