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Finding the Fourth Proportional to 363,995.52, 545,992.64 and 164,385.92

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Solution

The fourth proportional to 363,995.52, 545,992.64 and 164,385.92 is: 246,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,995.52 : 545,992.64 = 164,385.92 : x
  2. Step 2: Convert to fraction form
    363,995.52/545,992.64 = 164,385.92/x
  3. Step 3: Cross multiply
    363,995.52x = 545,992.64 × 164,385.92
  4. Step 4: Simplify right side
    363,995.52x = 89,753,502,439.63
  5. Step 5: Solve for x
    x = 89,753,502,439.63/363,995.52
  6. Step 6: Final answer
    x = 246,578.59

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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.