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Finding the Fourth Proportional to 577,780.54, 797,086.38 and 348,207.37

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Solution

The fourth proportional to 577,780.54, 797,086.38 and 348,207.37 is: 480,375.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,780.54 : 797,086.38 = 348,207.37 : x
  2. Step 2: Convert to fraction form
    577,780.54/797,086.38 = 348,207.37/x
  3. Step 3: Cross multiply
    577,780.54x = 797,086.38 × 348,207.37
  4. Step 4: Simplify right side
    577,780.54x = 277,551,352,042.62
  5. Step 5: Solve for x
    x = 277,551,352,042.62/577,780.54
  6. Step 6: Final answer
    x = 480,375.04

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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.