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Finding the Fourth Proportional to 314,940.20, 472,410.30 and 195,092.60

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Solution

The fourth proportional to 314,940.20, 472,410.30 and 195,092.60 is: 292,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,940.20 : 472,410.30 = 195,092.60 : x
  2. Step 2: Convert to fraction form
    314,940.20/472,410.30 = 195,092.60/x
  3. Step 3: Cross multiply
    314,940.20x = 472,410.30 × 195,092.60
  4. Step 4: Simplify right side
    314,940.20x = 92,163,753,693.78
  5. Step 5: Solve for x
    x = 92,163,753,693.78/314,940.20
  6. Step 6: Final answer
    x = 292,638.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.