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Finding the Fourth Proportional to 672,850.50, 928,532.97 and 366,927.47

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Solution

The fourth proportional to 672,850.50, 928,532.97 and 366,927.47 is: 506,359.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,850.50 : 928,532.97 = 366,927.47 : x
  2. Step 2: Convert to fraction form
    672,850.50/928,532.97 = 366,927.47/x
  3. Step 3: Cross multiply
    672,850.50x = 928,532.97 × 366,927.47
  4. Step 4: Simplify right side
    672,850.50x = 340,704,253,493.69
  5. Step 5: Solve for x
    x = 340,704,253,493.69/672,850.50
  6. Step 6: Final answer
    x = 506,359.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.