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Finding the Fourth Proportional to 353,813.73, 488,258.12 and 200,850.58

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Solution

The fourth proportional to 353,813.73, 488,258.12 and 200,850.58 is: 277,171.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,813.73 : 488,258.12 = 200,850.58 : x
  2. Step 2: Convert to fraction form
    353,813.73/488,258.12 = 200,850.58/x
  3. Step 3: Cross multiply
    353,813.73x = 488,258.12 × 200,850.58
  4. Step 4: Simplify right side
    353,813.73x = 98,066,926,591.71
  5. Step 5: Solve for x
    x = 98,066,926,591.71/353,813.73
  6. Step 6: Final answer
    x = 277,171.06

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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.