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Finding the Fourth Proportional to 365,103.96, 547,862.12 and 196,620.72

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Solution

The fourth proportional to 365,103.96, 547,862.12 and 196,620.72 is: 295,042.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,103.96 : 547,862.12 = 196,620.72 : x
  2. Step 2: Convert to fraction form
    365,103.96/547,862.12 = 196,620.72/x
  3. Step 3: Cross multiply
    365,103.96x = 547,862.12 × 196,620.72
  4. Step 4: Simplify right side
    365,103.96x = 107,721,044,495.13
  5. Step 5: Solve for x
    x = 107,721,044,495.13/365,103.96
  6. Step 6: Final answer
    x = 295,042.11

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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.