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Finding the Fourth Proportional to 479,559.86, 661,553.75 and 334,669.49

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Solution

The fourth proportional to 479,559.86, 661,553.75 and 334,669.49 is: 461,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,559.86 : 661,553.75 = 334,669.49 : x
  2. Step 2: Convert to fraction form
    479,559.86/661,553.75 = 334,669.49/x
  3. Step 3: Cross multiply
    479,559.86x = 661,553.75 × 334,669.49
  4. Step 4: Simplify right side
    479,559.86x = 221,401,851,138.97
  5. Step 5: Solve for x
    x = 221,401,851,138.97/479,559.86
  6. Step 6: Final answer
    x = 461,677.20

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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.