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Finding the Fourth Proportional to 673,753.96, 929,756.10 and 371,941.48

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Solution

The fourth proportional to 673,753.96, 929,756.10 and 371,941.48 is: 513,265.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,753.96 : 929,756.10 = 371,941.48 : x
  2. Step 2: Convert to fraction form
    673,753.96/929,756.10 = 371,941.48/x
  3. Step 3: Cross multiply
    673,753.96x = 929,756.10 × 371,941.48
  4. Step 4: Simplify right side
    673,753.96x = 345,814,859,873.03
  5. Step 5: Solve for x
    x = 345,814,859,873.03/673,753.96
  6. Step 6: Final answer
    x = 513,265.79

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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.