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Finding the Fourth Proportional to 348,891.60, 481,442.96 and 197,988.60

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Solution

The fourth proportional to 348,891.60, 481,442.96 and 197,988.60 is: 273,208.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,891.60 : 481,442.96 = 197,988.60 : x
  2. Step 2: Convert to fraction form
    348,891.60/481,442.96 = 197,988.60/x
  3. Step 3: Cross multiply
    348,891.60x = 481,442.96 × 197,988.60
  4. Step 4: Simplify right side
    348,891.60x = 95,320,217,630.26
  5. Step 5: Solve for x
    x = 95,320,217,630.26/348,891.60
  6. Step 6: Final answer
    x = 273,208.69

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1.5x scale

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.