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Finding the Fourth Proportional to 384,935.52, 577,238.22 and 132,241.44

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Solution

The fourth proportional to 384,935.52, 577,238.22 and 132,241.44 is: 198,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,935.52 : 577,238.22 = 132,241.44 : x
  2. Step 2: Convert to fraction form
    384,935.52/577,238.22 = 132,241.44/x
  3. Step 3: Cross multiply
    384,935.52x = 577,238.22 × 132,241.44
  4. Step 4: Simplify right side
    384,935.52x = 76,334,813,435.84
  5. Step 5: Solve for x
    x = 76,334,813,435.84/384,935.52
  6. Step 6: Final answer
    x = 198,305.45

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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.