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Finding the Fourth Proportional to 623,874.57, 860,949.49 and 337,394.66

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Solution

The fourth proportional to 623,874.57, 860,949.49 and 337,394.66 is: 465,606.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,874.57 : 860,949.49 = 337,394.66 : x
  2. Step 2: Convert to fraction form
    623,874.57/860,949.49 = 337,394.66/x
  3. Step 3: Cross multiply
    623,874.57x = 860,949.49 × 337,394.66
  4. Step 4: Simplify right side
    623,874.57x = 290,479,760,455.72
  5. Step 5: Solve for x
    x = 290,479,760,455.72/623,874.57
  6. Step 6: Final answer
    x = 465,606.03

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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.