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Finding the Fourth Proportional to 358,049.97, 494,099.10 and 196,905.02

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Solution

The fourth proportional to 358,049.97, 494,099.10 and 196,905.02 is: 271,723.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,049.97 : 494,099.10 = 196,905.02 : x
  2. Step 2: Convert to fraction form
    358,049.97/494,099.10 = 196,905.02/x
  3. Step 3: Cross multiply
    358,049.97x = 494,099.10 × 196,905.02
  4. Step 4: Simplify right side
    358,049.97x = 97,290,592,549.86
  5. Step 5: Solve for x
    x = 97,290,592,549.86/358,049.97
  6. Step 6: Final answer
    x = 271,723.50

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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.