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Finding the Fourth Proportional to 834,794.72, 1,251,929.28 and 273,698

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Solution

The fourth proportional to 834,794.72, 1,251,929.28 and 273,698 is: 410,460.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,794.72 : 1,251,929.28 = 273,698 : x
  2. Step 2: Convert to fraction form
    834,794.72/1,251,929.28 = 273,698/x
  3. Step 3: Cross multiply
    834,794.72x = 1,251,929.28 × 273,698
  4. Step 4: Simplify right side
    834,794.72x = 342,650,540,077.44
  5. Step 5: Solve for x
    x = 342,650,540,077.44/834,794.72
  6. Step 6: Final answer
    x = 410,460.84

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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.