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Finding the Fourth Proportional to 358,252.82, 494,396.55 and 197,108.33

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Solution

The fourth proportional to 358,252.82, 494,396.55 and 197,108.33 is: 272,013.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,252.82 : 494,396.55 = 197,108.33 : x
  2. Step 2: Convert to fraction form
    358,252.82/494,396.55 = 197,108.33/x
  3. Step 3: Cross multiply
    358,252.82x = 494,396.55 × 197,108.33
  4. Step 4: Simplify right side
    358,252.82x = 97,449,680,057.02
  5. Step 5: Solve for x
    x = 97,449,680,057.02/358,252.82
  6. Step 6: Final answer
    x = 272,013.71

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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.