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Finding the Fourth Proportional to 555,833.97, 767,044.52 and 301,185.15

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Solution

The fourth proportional to 555,833.97, 767,044.52 and 301,185.15 is: 415,632.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,833.97 : 767,044.52 = 301,185.15 : x
  2. Step 2: Convert to fraction form
    555,833.97/767,044.52 = 301,185.15/x
  3. Step 3: Cross multiply
    555,833.97x = 767,044.52 × 301,185.15
  4. Step 4: Simplify right side
    555,833.97x = 231,022,420,857.28
  5. Step 5: Solve for x
    x = 231,022,420,857.28/555,833.97
  6. Step 6: Final answer
    x = 415,632.07

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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.