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Finding the Fourth Proportional to 673,295.91, 929,083.82 and 371,470.47

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Solution

The fourth proportional to 673,295.91, 929,083.82 and 371,470.47 is: 512,593.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,295.91 : 929,083.82 = 371,470.47 : x
  2. Step 2: Convert to fraction form
    673,295.91/929,083.82 = 371,470.47/x
  3. Step 3: Cross multiply
    673,295.91x = 929,083.82 × 371,470.47
  4. Step 4: Simplify right side
    673,295.91x = 345,127,201,427.44
  5. Step 5: Solve for x
    x = 345,127,201,427.44/673,295.91
  6. Step 6: Final answer
    x = 512,593.64

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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.