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Finding the Fourth Proportional to 376,028.76, 563,747.31 and 186,358.80

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Solution

The fourth proportional to 376,028.76, 563,747.31 and 186,358.80 is: 279,391.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,028.76 : 563,747.31 = 186,358.80 : x
  2. Step 2: Convert to fraction form
    376,028.76/563,747.31 = 186,358.80/x
  3. Step 3: Cross multiply
    376,028.76x = 563,747.31 × 186,358.80
  4. Step 4: Simplify right side
    376,028.76x = 105,059,272,194.83
  5. Step 5: Solve for x
    x = 105,059,272,194.83/376,028.76
  6. Step 6: Final answer
    x = 279,391.59

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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.