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Finding the Fourth Proportional to 377,523.22, 520,982.11 and 207,757.34

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Solution

The fourth proportional to 377,523.22, 520,982.11 and 207,757.34 is: 286,705.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,523.22 : 520,982.11 = 207,757.34 : x
  2. Step 2: Convert to fraction form
    377,523.22/520,982.11 = 207,757.34/x
  3. Step 3: Cross multiply
    377,523.22x = 520,982.11 × 207,757.34
  4. Step 4: Simplify right side
    377,523.22x = 108,237,857,361.19
  5. Step 5: Solve for x
    x = 108,237,857,361.19/377,523.22
  6. Step 6: Final answer
    x = 286,705.17

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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.