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Finding the Fourth Proportional to 522,694.55, 784,625.03 and 488,431.55

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Solution

The fourth proportional to 522,694.55, 784,625.03 and 488,431.55 is: 733,192.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,694.55 : 784,625.03 = 488,431.55 : x
  2. Step 2: Convert to fraction form
    522,694.55/784,625.03 = 488,431.55/x
  3. Step 3: Cross multiply
    522,694.55x = 784,625.03 × 488,431.55
  4. Step 4: Simplify right side
    522,694.55x = 383,235,617,129.54
  5. Step 5: Solve for x
    x = 383,235,617,129.54/522,694.55
  6. Step 6: Final answer
    x = 733,192.30

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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.