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Finding the Fourth Proportional to 401,332.74, 601,992.22 and 135,093.23

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Solution

The fourth proportional to 401,332.74, 601,992.22 and 135,093.23 is: 202,637.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,332.74 : 601,992.22 = 135,093.23 : x
  2. Step 2: Convert to fraction form
    401,332.74/601,992.22 = 135,093.23/x
  3. Step 3: Cross multiply
    401,332.74x = 601,992.22 × 135,093.23
  4. Step 4: Simplify right side
    401,332.74x = 81,325,073,434.67
  5. Step 5: Solve for x
    x = 81,325,073,434.67/401,332.74
  6. Step 6: Final answer
    x = 202,637.53

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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.