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Finding the Fourth Proportional to 401,260.91, 601,716.40 and 151,767.95

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Solution

The fourth proportional to 401,260.91, 601,716.40 and 151,767.95 is: 227,585.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,260.91 : 601,716.40 = 151,767.95 : x
  2. Step 2: Convert to fraction form
    401,260.91/601,716.40 = 151,767.95/x
  3. Step 3: Cross multiply
    401,260.91x = 601,716.40 × 151,767.95
  4. Step 4: Simplify right side
    401,260.91x = 91,321,266,198.36
  5. Step 5: Solve for x
    x = 91,321,266,198.36/401,260.91
  6. Step 6: Final answer
    x = 227,585.75

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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.