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Finding the Fourth Proportional to 673,296, 929,167.92 and 371,509.44

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Solution

The fourth proportional to 673,296, 929,167.92 and 371,509.44 is: 512,693.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,296 : 929,167.92 = 371,509.44 : x
  2. Step 2: Convert to fraction form
    673,296/929,167.92 = 371,509.44/x
  3. Step 3: Cross multiply
    673,296x = 929,167.92 × 371,509.44
  4. Step 4: Simplify right side
    673,296x = 345,194,653,625.17
  5. Step 5: Solve for x
    x = 345,194,653,625.17/673,296
  6. Step 6: Final answer
    x = 512,693.75

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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.