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Finding the Fourth Proportional to 451,325.87, 622,804.37 and 247,337.90

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Solution

The fourth proportional to 451,325.87, 622,804.37 and 247,337.90 is: 341,312.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,325.87 : 622,804.37 = 247,337.90 : x
  2. Step 2: Convert to fraction form
    451,325.87/622,804.37 = 247,337.90/x
  3. Step 3: Cross multiply
    451,325.87x = 622,804.37 × 247,337.90
  4. Step 4: Simplify right side
    451,325.87x = 154,043,120,635.91
  5. Step 5: Solve for x
    x = 154,043,120,635.91/451,325.87
  6. Step 6: Final answer
    x = 341,312.41

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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.