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Finding the Fourth Proportional to 383,902.92, 575,854.27 and 206,165.43

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Solution

The fourth proportional to 383,902.92, 575,854.27 and 206,165.43 is: 309,248.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,902.92 : 575,854.27 = 206,165.43 : x
  2. Step 2: Convert to fraction form
    383,902.92/575,854.27 = 206,165.43/x
  3. Step 3: Cross multiply
    383,902.92x = 575,854.27 × 206,165.43
  4. Step 4: Simplify right side
    383,902.92x = 118,721,243,191.89
  5. Step 5: Solve for x
    x = 118,721,243,191.89/383,902.92
  6. Step 6: Final answer
    x = 309,248.09

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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.