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Finding the Fourth Proportional to 483,916, 667,804.08 and 271,948

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Solution

The fourth proportional to 483,916, 667,804.08 and 271,948 is: 375,288.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,916 : 667,804.08 = 271,948 : x
  2. Step 2: Convert to fraction form
    483,916/667,804.08 = 271,948/x
  3. Step 3: Cross multiply
    483,916x = 667,804.08 × 271,948
  4. Step 4: Simplify right side
    483,916x = 181,607,983,947.84
  5. Step 5: Solve for x
    x = 181,607,983,947.84/483,916
  6. Step 6: Final answer
    x = 375,288.24

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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.