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Finding the Fourth Proportional to 673,294.26, 929,165.50 and 371,507.70

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Solution

The fourth proportional to 673,294.26, 929,165.50 and 371,507.70 is: 512,691.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,294.26 : 929,165.50 = 371,507.70 : x
  2. Step 2: Convert to fraction form
    673,294.26/929,165.50 = 371,507.70/x
  3. Step 3: Cross multiply
    673,294.26x = 929,165.50 × 371,507.70
  4. Step 4: Simplify right side
    673,294.26x = 345,192,137,824.35
  5. Step 5: Solve for x
    x = 345,192,137,824.35/673,294.26
  6. Step 6: Final answer
    x = 512,691.34

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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.