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Finding the Fourth Proportional to 603,909.77, 833,414.13 and 331,998.44

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Solution

The fourth proportional to 603,909.77, 833,414.13 and 331,998.44 is: 458,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,909.77 : 833,414.13 = 331,998.44 : x
  2. Step 2: Convert to fraction form
    603,909.77/833,414.13 = 331,998.44/x
  3. Step 3: Cross multiply
    603,909.77x = 833,414.13 × 331,998.44
  4. Step 4: Simplify right side
    603,909.77x = 276,692,186,866.89
  5. Step 5: Solve for x
    x = 276,692,186,866.89/603,909.77
  6. Step 6: Final answer
    x = 458,168.10

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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.