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Finding the Fourth Proportional to 358,221.75, 494,346.01 and 197,073.33

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Solution

The fourth proportional to 358,221.75, 494,346.01 and 197,073.33 is: 271,961.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,221.75 : 494,346.01 = 197,073.33 : x
  2. Step 2: Convert to fraction form
    358,221.75/494,346.01 = 197,073.33/x
  3. Step 3: Cross multiply
    358,221.75x = 494,346.01 × 197,073.33
  4. Step 4: Simplify right side
    358,221.75x = 97,422,414,362.91
  5. Step 5: Solve for x
    x = 97,422,414,362.91/358,221.75
  6. Step 6: Final answer
    x = 271,961.19

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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.