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Finding the Fourth Proportional to 573,694.20, 792,022.30 and 436,651.92

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Solution

The fourth proportional to 573,694.20, 792,022.30 and 436,651.92 is: 602,826.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,694.20 : 792,022.30 = 436,651.92 : x
  2. Step 2: Convert to fraction form
    573,694.20/792,022.30 = 436,651.92/x
  3. Step 3: Cross multiply
    573,694.20x = 792,022.30 × 436,651.92
  4. Step 4: Simplify right side
    573,694.20x = 345,838,057,977.82
  5. Step 5: Solve for x
    x = 345,838,057,977.82/573,694.20
  6. Step 6: Final answer
    x = 602,826.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.