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Finding the Fourth Proportional to 277,940.30, 383,557.82 and 150,615.90

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Solution

The fourth proportional to 277,940.30, 383,557.82 and 150,615.90 is: 207,850.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,940.30 : 383,557.82 = 150,615.90 : x
  2. Step 2: Convert to fraction form
    277,940.30/383,557.82 = 150,615.90/x
  3. Step 3: Cross multiply
    277,940.30x = 383,557.82 × 150,615.90
  4. Step 4: Simplify right side
    277,940.30x = 57,769,905,508.26
  5. Step 5: Solve for x
    x = 57,769,905,508.26/277,940.30
  6. Step 6: Final answer
    x = 207,850.05

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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.