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Finding the Fourth Proportional to 451,099.36, 622,487.94 and 247,150

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Solution

The fourth proportional to 451,099.36, 622,487.94 and 247,150 is: 341,051.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,099.36 : 622,487.94 = 247,150 : x
  2. Step 2: Convert to fraction form
    451,099.36/622,487.94 = 247,150/x
  3. Step 3: Cross multiply
    451,099.36x = 622,487.94 × 247,150
  4. Step 4: Simplify right side
    451,099.36x = 153,847,894,371
  5. Step 5: Solve for x
    x = 153,847,894,371/451,099.36
  6. Step 6: Final answer
    x = 341,051.01

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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.