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Finding the Fourth Proportional to 605,205.20, 906,252.60 and 446,574.80

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Solution

The fourth proportional to 605,205.20, 906,252.60 and 446,574.80 is: 668,714.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,205.20 : 906,252.60 = 446,574.80 : x
  2. Step 2: Convert to fraction form
    605,205.20/906,252.60 = 446,574.80/x
  3. Step 3: Cross multiply
    605,205.20x = 906,252.60 × 446,574.80
  4. Step 4: Simplify right side
    605,205.20x = 404,709,573,594.48
  5. Step 5: Solve for x
    x = 404,709,573,594.48/605,205.20
  6. Step 6: Final answer
    x = 668,714.63

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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.