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Finding the Fourth Proportional to 230,844.60, 346,266.90 and 205,961.40

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Solution

The fourth proportional to 230,844.60, 346,266.90 and 205,961.40 is: 308,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,844.60 : 346,266.90 = 205,961.40 : x
  2. Step 2: Convert to fraction form
    230,844.60/346,266.90 = 205,961.40/x
  3. Step 3: Cross multiply
    230,844.60x = 346,266.90 × 205,961.40
  4. Step 4: Simplify right side
    230,844.60x = 71,317,615,497.66
  5. Step 5: Solve for x
    x = 71,317,615,497.66/230,844.60
  6. Step 6: Final answer
    x = 308,942.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.