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Finding the Fourth Proportional to 358,074.25, 494,154.89 and 196,941.49

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Solution

The fourth proportional to 358,074.25, 494,154.89 and 196,941.49 is: 271,786.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,074.25 : 494,154.89 = 196,941.49 : x
  2. Step 2: Convert to fraction form
    358,074.25/494,154.89 = 196,941.49/x
  3. Step 3: Cross multiply
    358,074.25x = 494,154.89 × 196,941.49
  4. Step 4: Simplify right side
    358,074.25x = 97,319,600,327.39
  5. Step 5: Solve for x
    x = 97,319,600,327.39/358,074.25
  6. Step 6: Final answer
    x = 271,786.09

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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.