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Finding the Fourth Proportional to 231,844.80, 348,544.80 and 197,630.40

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Solution

The fourth proportional to 231,844.80, 348,544.80 and 197,630.40 is: 297,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,844.80 : 348,544.80 = 197,630.40 : x
  2. Step 2: Convert to fraction form
    231,844.80/348,544.80 = 197,630.40/x
  3. Step 3: Cross multiply
    231,844.80x = 348,544.80 × 197,630.40
  4. Step 4: Simplify right side
    231,844.80x = 68,883,048,241.92
  5. Step 5: Solve for x
    x = 68,883,048,241.92/231,844.80
  6. Step 6: Final answer
    x = 297,108.45

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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.