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Finding the Fourth Proportional to 331,077.54, 456,855.36 and 185,850.06

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Solution

The fourth proportional to 331,077.54, 456,855.36 and 185,850.06 is: 256,455.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,077.54 : 456,855.36 = 185,850.06 : x
  2. Step 2: Convert to fraction form
    331,077.54/456,855.36 = 185,850.06/x
  3. Step 3: Cross multiply
    331,077.54x = 456,855.36 × 185,850.06
  4. Step 4: Simplify right side
    331,077.54x = 84,906,596,067.32
  5. Step 5: Solve for x
    x = 84,906,596,067.32/331,077.54
  6. Step 6: Final answer
    x = 256,455.32

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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.