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Finding the Fourth Proportional to 376,847.98, 520,044.33 and 207,078.46

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Solution

The fourth proportional to 376,847.98, 520,044.33 and 207,078.46 is: 285,765.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,847.98 : 520,044.33 = 207,078.46 : x
  2. Step 2: Convert to fraction form
    376,847.98/520,044.33 = 207,078.46/x
  3. Step 3: Cross multiply
    376,847.98x = 520,044.33 × 207,078.46
  4. Step 4: Simplify right side
    376,847.98x = 107,689,978,988.13
  5. Step 5: Solve for x
    x = 107,689,978,988.13/376,847.98
  6. Step 6: Final answer
    x = 285,765.04

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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.