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Finding the Fourth Proportional to 451,437.55, 622,970.32 and 247,481.50

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Solution

The fourth proportional to 451,437.55, 622,970.32 and 247,481.50 is: 341,517.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,437.55 : 622,970.32 = 247,481.50 : x
  2. Step 2: Convert to fraction form
    451,437.55/622,970.32 = 247,481.50/x
  3. Step 3: Cross multiply
    451,437.55x = 622,970.32 × 247,481.50
  4. Step 4: Simplify right side
    451,437.55x = 154,173,624,896.82
  5. Step 5: Solve for x
    x = 154,173,624,896.82/451,437.55
  6. Step 6: Final answer
    x = 341,517.06

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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.