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Finding the Fourth Proportional to 522,934.88, 784,299.02 and 143,757.77

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Solution

The fourth proportional to 522,934.88, 784,299.02 and 143,757.77 is: 215,608.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,934.88 : 784,299.02 = 143,757.77 : x
  2. Step 2: Convert to fraction form
    522,934.88/784,299.02 = 143,757.77/x
  3. Step 3: Cross multiply
    522,934.88x = 784,299.02 × 143,757.77
  4. Step 4: Simplify right side
    522,934.88x = 112,749,078,128.39
  5. Step 5: Solve for x
    x = 112,749,078,128.39/522,934.88
  6. Step 6: Final answer
    x = 215,608.26

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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.