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Finding the Fourth Proportional to 328,901.27, 493,310.88 and 92,262.39

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Solution

The fourth proportional to 328,901.27, 493,310.88 and 92,262.39 is: 138,382.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,901.27 : 493,310.88 = 92,262.39 : x
  2. Step 2: Convert to fraction form
    328,901.27/493,310.88 = 92,262.39/x
  3. Step 3: Cross multiply
    328,901.27x = 493,310.88 × 92,262.39
  4. Step 4: Simplify right side
    328,901.27x = 45,514,040,801.80
  5. Step 5: Solve for x
    x = 45,514,040,801.80/328,901.27
  6. Step 6: Final answer
    x = 138,382.08

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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.