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Finding the Fourth Proportional to 376,805.73, 567,721.86 and 340,823.76

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Solution

The fourth proportional to 376,805.73, 567,721.86 and 340,823.76 is: 513,508.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,805.73 : 567,721.86 = 340,823.76 : x
  2. Step 2: Convert to fraction form
    376,805.73/567,721.86 = 340,823.76/x
  3. Step 3: Cross multiply
    376,805.73x = 567,721.86 × 340,823.76
  4. Step 4: Simplify right side
    376,805.73x = 193,493,098,959.39
  5. Step 5: Solve for x
    x = 193,493,098,959.39/376,805.73
  6. Step 6: Final answer
    x = 513,508.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.