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Finding the Fourth Proportional to 605,225.20, 906,282.60 and 446,594.80

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Solution

The fourth proportional to 605,225.20, 906,282.60 and 446,594.80 is: 668,744.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,225.20 : 906,282.60 = 446,594.80 : x
  2. Step 2: Convert to fraction form
    605,225.20/906,282.60 = 446,594.80/x
  3. Step 3: Cross multiply
    605,225.20x = 906,282.60 × 446,594.80
  4. Step 4: Simplify right side
    605,225.20x = 404,741,096,490.48
  5. Step 5: Solve for x
    x = 404,741,096,490.48/605,225.20
  6. Step 6: Final answer
    x = 668,744.62

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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.