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Finding the Fourth Proportional to 503,698.17, 755,365.80 and 166,676.61

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Solution

The fourth proportional to 503,698.17, 755,365.80 and 166,676.61 is: 249,954.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,698.17 : 755,365.80 = 166,676.61 : x
  2. Step 2: Convert to fraction form
    503,698.17/755,365.80 = 166,676.61/x
  3. Step 3: Cross multiply
    503,698.17x = 755,365.80 × 166,676.61
  4. Step 4: Simplify right side
    503,698.17x = 125,901,810,853.94
  5. Step 5: Solve for x
    x = 125,901,810,853.94/503,698.17
  6. Step 6: Final answer
    x = 249,954.87

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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.