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Finding the Fourth Proportional to 606,819.90, 837,431.58 and 331,192.82

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Solution

The fourth proportional to 606,819.90, 837,431.58 and 331,192.82 is: 457,057.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,819.90 : 837,431.58 = 331,192.82 : x
  2. Step 2: Convert to fraction form
    606,819.90/837,431.58 = 331,192.82/x
  3. Step 3: Cross multiply
    606,819.90x = 837,431.58 × 331,192.82
  4. Step 4: Simplify right side
    606,819.90x = 277,351,326,537.26
  5. Step 5: Solve for x
    x = 277,351,326,537.26/606,819.90
  6. Step 6: Final answer
    x = 457,057.07

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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.