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Finding the Fourth Proportional to 617,997.29, 852,765.77 and 346,027.37

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Solution

The fourth proportional to 617,997.29, 852,765.77 and 346,027.37 is: 477,478.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,997.29 : 852,765.77 = 346,027.37 : x
  2. Step 2: Convert to fraction form
    617,997.29/852,765.77 = 346,027.37/x
  3. Step 3: Cross multiply
    617,997.29x = 852,765.77 × 346,027.37
  4. Step 4: Simplify right side
    617,997.29x = 295,080,293,220.36
  5. Step 5: Solve for x
    x = 295,080,293,220.36/617,997.29
  6. Step 6: Final answer
    x = 477,478.30

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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.