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Finding the Fourth Proportional to 483,915, 667,802.70 and 271,947

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Solution

The fourth proportional to 483,915, 667,802.70 and 271,947 is: 375,286.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,915 : 667,802.70 = 271,947 : x
  2. Step 2: Convert to fraction form
    483,915/667,802.70 = 271,947/x
  3. Step 3: Cross multiply
    483,915x = 667,802.70 × 271,947
  4. Step 4: Simplify right side
    483,915x = 181,606,940,856.90
  5. Step 5: Solve for x
    x = 181,606,940,856.90/483,915
  6. Step 6: Final answer
    x = 375,286.86

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