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Finding the Fourth Proportional to 606,446.60, 910,418.70 and 381,806.60

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Solution

The fourth proportional to 606,446.60, 910,418.70 and 381,806.60 is: 573,181.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,446.60 : 910,418.70 = 381,806.60 : x
  2. Step 2: Convert to fraction form
    606,446.60/910,418.70 = 381,806.60/x
  3. Step 3: Cross multiply
    606,446.60x = 910,418.70 × 381,806.60
  4. Step 4: Simplify right side
    606,446.60x = 347,603,868,423.42
  5. Step 5: Solve for x
    x = 347,603,868,423.42/606,446.60
  6. Step 6: Final answer
    x = 573,181.33

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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.