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Finding the Fourth Proportional to 454,772.97, 682,632.60 and 334,965.21

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Solution

The fourth proportional to 454,772.97, 682,632.60 and 334,965.21 is: 502,796.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,772.97 : 682,632.60 = 334,965.21 : x
  2. Step 2: Convert to fraction form
    454,772.97/682,632.60 = 334,965.21/x
  3. Step 3: Cross multiply
    454,772.97x = 682,632.60 × 334,965.21
  4. Step 4: Simplify right side
    454,772.97x = 228,658,172,211.85
  5. Step 5: Solve for x
    x = 228,658,172,211.85/454,772.97
  6. Step 6: Final answer
    x = 502,796.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.