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Finding the Fourth Proportional to 605,661.96, 835,764.87 and 351,029.58

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Solution

The fourth proportional to 605,661.96, 835,764.87 and 351,029.58 is: 484,392.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,661.96 : 835,764.87 = 351,029.58 : x
  2. Step 2: Convert to fraction form
    605,661.96/835,764.87 = 351,029.58/x
  3. Step 3: Cross multiply
    605,661.96x = 835,764.87 × 351,029.58
  4. Step 4: Simplify right side
    605,661.96x = 293,378,191,294.86
  5. Step 5: Solve for x
    x = 293,378,191,294.86/605,661.96
  6. Step 6: Final answer
    x = 484,392.63

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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.