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Finding the Fourth Proportional to 673,471.20, 929,388.32 and 371,663.04

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Solution

The fourth proportional to 673,471.20, 929,388.32 and 371,663.04 is: 512,893.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,471.20 : 929,388.32 = 371,663.04 : x
  2. Step 2: Convert to fraction form
    673,471.20/929,388.32 = 371,663.04/x
  3. Step 3: Cross multiply
    673,471.20x = 929,388.32 × 371,663.04
  4. Step 4: Simplify right side
    673,471.20x = 345,419,288,351.69
  5. Step 5: Solve for x
    x = 345,419,288,351.69/673,471.20
  6. Step 6: Final answer
    x = 512,893.93

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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.