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Finding the Fourth Proportional to 339,258.36, 468,158.25 and 188,345.64

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Solution

The fourth proportional to 339,258.36, 468,158.25 and 188,345.64 is: 259,906.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,258.36 : 468,158.25 = 188,345.64 : x
  2. Step 2: Convert to fraction form
    339,258.36/468,158.25 = 188,345.64/x
  3. Step 3: Cross multiply
    339,258.36x = 468,158.25 × 188,345.64
  4. Step 4: Simplify right side
    339,258.36x = 88,175,565,217.53
  5. Step 5: Solve for x
    x = 88,175,565,217.53/339,258.36
  6. Step 6: Final answer
    x = 259,906.83

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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.