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Finding the Fourth Proportional to 603,872.40, 833,334.57 and 331,934.48

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Solution

The fourth proportional to 603,872.40, 833,334.57 and 331,934.48 is: 458,064.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,872.40 : 833,334.57 = 331,934.48 : x
  2. Step 2: Convert to fraction form
    603,872.40/833,334.57 = 331,934.48/x
  3. Step 3: Cross multiply
    603,872.40x = 833,334.57 × 331,934.48
  4. Step 4: Simplify right side
    603,872.40x = 276,612,472,992.30
  5. Step 5: Solve for x
    x = 276,612,472,992.30/603,872.40
  6. Step 6: Final answer
    x = 458,064.44

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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.