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Finding the Fourth Proportional to 577,835.60, 865,716.60 and 494,891.60

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Solution

The fourth proportional to 577,835.60, 865,716.60 and 494,891.60 is: 741,449.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,835.60 : 865,716.60 = 494,891.60 : x
  2. Step 2: Convert to fraction form
    577,835.60/865,716.60 = 494,891.60/x
  3. Step 3: Cross multiply
    577,835.60x = 865,716.60 × 494,891.60
  4. Step 4: Simplify right side
    577,835.60x = 428,435,873,320.56
  5. Step 5: Solve for x
    x = 428,435,873,320.56/577,835.60
  6. Step 6: Final answer
    x = 741,449.42

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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.