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Finding the Fourth Proportional to 606,922.20, 910,383.30 and 492,760.80

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Solution

The fourth proportional to 606,922.20, 910,383.30 and 492,760.80 is: 739,141.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,922.20 : 910,383.30 = 492,760.80 : x
  2. Step 2: Convert to fraction form
    606,922.20/910,383.30 = 492,760.80/x
  3. Step 3: Cross multiply
    606,922.20x = 910,383.30 × 492,760.80
  4. Step 4: Simplify right side
    606,922.20x = 448,601,203,214.64
  5. Step 5: Solve for x
    x = 448,601,203,214.64/606,922.20
  6. Step 6: Final answer
    x = 739,141.20

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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.