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Finding the Fourth Proportional to 1,337,325.92, 1,845,025.45 and 878,687.52

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Solution

The fourth proportional to 1,337,325.92, 1,845,025.45 and 878,687.52 is: 1,212,270.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,325.92 : 1,845,025.45 = 878,687.52 : x
  2. Step 2: Convert to fraction form
    1,337,325.92/1,845,025.45 = 878,687.52/x
  3. Step 3: Cross multiply
    1,337,325.92x = 1,845,025.45 × 878,687.52
  4. Step 4: Simplify right side
    1,337,325.92x = 1,621,200,836,997.38
  5. Step 5: Solve for x
    x = 1,621,200,836,997.38/1,337,325.92
  6. Step 6: Final answer
    x = 1,212,270.56

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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.