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Finding the Fourth Proportional to 401,076.94, 601,210.58 and 251,422.33

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Solution

The fourth proportional to 401,076.94, 601,210.58 and 251,422.33 is: 376,879.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,076.94 : 601,210.58 = 251,422.33 : x
  2. Step 2: Convert to fraction form
    401,076.94/601,210.58 = 251,422.33/x
  3. Step 3: Cross multiply
    401,076.94x = 601,210.58 × 251,422.33
  4. Step 4: Simplify right side
    401,076.94x = 151,157,764,844.25
  5. Step 5: Solve for x
    x = 151,157,764,844.25/401,076.94
  6. Step 6: Final answer
    x = 376,879.72

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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.