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Finding the Fourth Proportional to 451,441.64, 622,996.44 and 247,512.08

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Solution

The fourth proportional to 451,441.64, 622,996.44 and 247,512.08 is: 341,570.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,441.64 : 622,996.44 = 247,512.08 : x
  2. Step 2: Convert to fraction form
    451,441.64/622,996.44 = 247,512.08/x
  3. Step 3: Cross multiply
    451,441.64x = 622,996.44 × 247,512.08
  4. Step 4: Simplify right side
    451,441.64x = 154,199,144,697.00
  5. Step 5: Solve for x
    x = 154,199,144,697.00/451,441.64
  6. Step 6: Final answer
    x = 341,570.50

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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.