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Finding the Fourth Proportional to 603,801.51, 833,265.15 and 331,890.44

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Solution

The fourth proportional to 603,801.51, 833,265.15 and 331,890.44 is: 458,019.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,801.51 : 833,265.15 = 331,890.44 : x
  2. Step 2: Convert to fraction form
    603,801.51/833,265.15 = 331,890.44/x
  3. Step 3: Cross multiply
    603,801.51x = 833,265.15 × 331,890.44
  4. Step 4: Simplify right side
    603,801.51x = 276,552,733,103.84
  5. Step 5: Solve for x
    x = 276,552,733,103.84/603,801.51
  6. Step 6: Final answer
    x = 458,019.28

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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.