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Finding the Fourth Proportional to 526,780.51, 790,192.87 and 166,943.49

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Solution

The fourth proportional to 526,780.51, 790,192.87 and 166,943.49 is: 250,422.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,780.51 : 790,192.87 = 166,943.49 : x
  2. Step 2: Convert to fraction form
    526,780.51/790,192.87 = 166,943.49/x
  3. Step 3: Cross multiply
    526,780.51x = 790,192.87 × 166,943.49
  4. Step 4: Simplify right side
    526,780.51x = 131,917,557,208.59
  5. Step 5: Solve for x
    x = 131,917,557,208.59/526,780.51
  6. Step 6: Final answer
    x = 250,422.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.