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Finding the Fourth Proportional to 616,694.76, 851,044.62 and 362,050.20

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Solution

The fourth proportional to 616,694.76, 851,044.62 and 362,050.20 is: 499,632.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,694.76 : 851,044.62 = 362,050.20 : x
  2. Step 2: Convert to fraction form
    616,694.76/851,044.62 = 362,050.20/x
  3. Step 3: Cross multiply
    616,694.76x = 851,044.62 × 362,050.20
  4. Step 4: Simplify right side
    616,694.76x = 308,120,874,879.92
  5. Step 5: Solve for x
    x = 308,120,874,879.92/616,694.76
  6. Step 6: Final answer
    x = 499,632.71

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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.