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Finding the Fourth Proportional to 427,632.52, 590,124.02 and 236,634.44

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Solution

The fourth proportional to 427,632.52, 590,124.02 and 236,634.44 is: 326,550.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,632.52 : 590,124.02 = 236,634.44 : x
  2. Step 2: Convert to fraction form
    427,632.52/590,124.02 = 236,634.44/x
  3. Step 3: Cross multiply
    427,632.52x = 590,124.02 × 236,634.44
  4. Step 4: Simplify right side
    427,632.52x = 139,643,667,003.25
  5. Step 5: Solve for x
    x = 139,643,667,003.25/427,632.52
  6. Step 6: Final answer
    x = 326,550.63

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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.