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Finding the Fourth Proportional to 605,691.93, 835,854.93 and 351,190.74

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Solution

The fourth proportional to 605,691.93, 835,854.93 and 351,190.74 is: 484,643.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,691.93 : 835,854.93 = 351,190.74 : x
  2. Step 2: Convert to fraction form
    605,691.93/835,854.93 = 351,190.74/x
  3. Step 3: Cross multiply
    605,691.93x = 835,854.93 × 351,190.74
  4. Step 4: Simplify right side
    605,691.93x = 293,544,511,399.35
  5. Step 5: Solve for x
    x = 293,544,511,399.35/605,691.93
  6. Step 6: Final answer
    x = 484,643.26

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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.