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Finding the Fourth Proportional to 203,467.40, 304,617.90 and 197,635.40

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Solution

The fourth proportional to 203,467.40, 304,617.90 and 197,635.40 is: 295,886.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,467.40 : 304,617.90 = 197,635.40 : x
  2. Step 2: Convert to fraction form
    203,467.40/304,617.90 = 197,635.40/x
  3. Step 3: Cross multiply
    203,467.40x = 304,617.90 × 197,635.40
  4. Step 4: Simplify right side
    203,467.40x = 60,203,280,513.66
  5. Step 5: Solve for x
    x = 60,203,280,513.66/203,467.40
  6. Step 6: Final answer
    x = 295,886.62

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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.