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Finding the Fourth Proportional to 613,070.97, 845,940.47 and 344,747.13

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Solution

The fourth proportional to 613,070.97, 845,940.47 and 344,747.13 is: 475,696.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,070.97 : 845,940.47 = 344,747.13 : x
  2. Step 2: Convert to fraction form
    613,070.97/845,940.47 = 344,747.13/x
  3. Step 3: Cross multiply
    613,070.97x = 845,940.47 × 344,747.13
  4. Step 4: Simplify right side
    613,070.97x = 291,635,549,183.35
  5. Step 5: Solve for x
    x = 291,635,549,183.35/613,070.97
  6. Step 6: Final answer
    x = 475,696.23

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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.