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Finding the Fourth Proportional to 792,626, 1,188,689.25 and 260,022.92

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Solution

The fourth proportional to 792,626, 1,188,689.25 and 260,022.92 is: 389,952.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,626 : 1,188,689.25 = 260,022.92 : x
  2. Step 2: Convert to fraction form
    792,626/1,188,689.25 = 260,022.92/x
  3. Step 3: Cross multiply
    792,626x = 1,188,689.25 × 260,022.92
  4. Step 4: Simplify right side
    792,626x = 309,086,449,757.61
  5. Step 5: Solve for x
    x = 309,086,449,757.61/792,626
  6. Step 6: Final answer
    x = 389,952.45

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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.