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Finding the Fourth Proportional to 522,909.75, 784,696.44 and 223,392.59

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Solution

The fourth proportional to 522,909.75, 784,696.44 and 223,392.59 is: 335,230.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,909.75 : 784,696.44 = 223,392.59 : x
  2. Step 2: Convert to fraction form
    522,909.75/784,696.44 = 223,392.59/x
  3. Step 3: Cross multiply
    522,909.75x = 784,696.44 × 223,392.59
  4. Step 4: Simplify right side
    522,909.75x = 175,295,366,171.90
  5. Step 5: Solve for x
    x = 175,295,366,171.90/522,909.75
  6. Step 6: Final answer
    x = 335,230.63

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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.