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Finding the Fourth Proportional to 418,295.62, 577,035.47 and 273,186.33

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Solution

The fourth proportional to 418,295.62, 577,035.47 and 273,186.33 is: 376,858.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,295.62 : 577,035.47 = 273,186.33 : x
  2. Step 2: Convert to fraction form
    418,295.62/577,035.47 = 273,186.33/x
  3. Step 3: Cross multiply
    418,295.62x = 577,035.47 × 273,186.33
  4. Step 4: Simplify right side
    418,295.62x = 157,638,204,137.15
  5. Step 5: Solve for x
    x = 157,638,204,137.15/418,295.62
  6. Step 6: Final answer
    x = 376,858.37

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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.