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Finding the Fourth Proportional to 483,913.50, 667,800.63 and 271,945.50

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Solution

The fourth proportional to 483,913.50, 667,800.63 and 271,945.50 is: 375,284.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,913.50 : 667,800.63 = 271,945.50 : x
  2. Step 2: Convert to fraction form
    483,913.50/667,800.63 = 271,945.50/x
  3. Step 3: Cross multiply
    483,913.50x = 667,800.63 × 271,945.50
  4. Step 4: Simplify right side
    483,913.50x = 181,605,376,225.67
  5. Step 5: Solve for x
    x = 181,605,376,225.67/483,913.50
  6. Step 6: Final answer
    x = 375,284.79

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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.