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Finding the Fourth Proportional to 605,252.49, 906,651.57 and 280,584.24

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Solution

The fourth proportional to 605,252.49, 906,651.57 and 280,584.24 is: 420,307.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,252.49 : 906,651.57 = 280,584.24 : x
  2. Step 2: Convert to fraction form
    605,252.49/906,651.57 = 280,584.24/x
  3. Step 3: Cross multiply
    605,252.49x = 906,651.57 × 280,584.24
  4. Step 4: Simplify right side
    605,252.49x = 254,392,141,713.26
  5. Step 5: Solve for x
    x = 254,392,141,713.26/605,252.49
  6. Step 6: Final answer
    x = 420,307.47

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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.