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Finding the Fourth Proportional to 322,832.52, 484,144.56 and 117,637.92

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Solution

The fourth proportional to 322,832.52, 484,144.56 and 117,637.92 is: 176,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,832.52 : 484,144.56 = 117,637.92 : x
  2. Step 2: Convert to fraction form
    322,832.52/484,144.56 = 117,637.92/x
  3. Step 3: Cross multiply
    322,832.52x = 484,144.56 × 117,637.92
  4. Step 4: Simplify right side
    322,832.52x = 56,953,759,017.72
  5. Step 5: Solve for x
    x = 56,953,759,017.72/322,832.52
  6. Step 6: Final answer
    x = 176,418.90

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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.