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Finding the Fourth Proportional to 671,898.30, 927,220.92 and 365,973.73

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Solution

The fourth proportional to 671,898.30, 927,220.92 and 365,973.73 is: 505,044.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,898.30 : 927,220.92 = 365,973.73 : x
  2. Step 2: Convert to fraction form
    671,898.30/927,220.92 = 365,973.73/x
  3. Step 3: Cross multiply
    671,898.30x = 927,220.92 × 365,973.73
  4. Step 4: Simplify right side
    671,898.30x = 339,338,498,626.43
  5. Step 5: Solve for x
    x = 339,338,498,626.43/671,898.30
  6. Step 6: Final answer
    x = 505,044.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.