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Finding the Fourth Proportional to 347,984.88, 480,219.03 and 197,081.88

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Solution

The fourth proportional to 347,984.88, 480,219.03 and 197,081.88 is: 271,972.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,984.88 : 480,219.03 = 197,081.88 : x
  2. Step 2: Convert to fraction form
    347,984.88/480,219.03 = 197,081.88/x
  3. Step 3: Cross multiply
    347,984.88x = 480,219.03 × 197,081.88
  4. Step 4: Simplify right side
    347,984.88x = 94,642,469,244.18
  5. Step 5: Solve for x
    x = 94,642,469,244.18/347,984.88
  6. Step 6: Final answer
    x = 271,972.94

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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.