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Finding the Fourth Proportional to 673,326, 929,209.32 and 371,539.44

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Solution

The fourth proportional to 673,326, 929,209.32 and 371,539.44 is: 512,735.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,326 : 929,209.32 = 371,539.44 : x
  2. Step 2: Convert to fraction form
    673,326/929,209.32 = 371,539.44/x
  3. Step 3: Cross multiply
    673,326x = 929,209.32 × 371,539.44
  4. Step 4: Simplify right side
    673,326x = 345,237,910,395.58
  5. Step 5: Solve for x
    x = 345,237,910,395.58/673,326
  6. Step 6: Final answer
    x = 512,735.15

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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.