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Finding the Fourth Proportional to 834,792.72, 1,251,926.28 and 273,696

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Solution

The fourth proportional to 834,792.72, 1,251,926.28 and 273,696 is: 410,457.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,792.72 : 1,251,926.28 = 273,696 : x
  2. Step 2: Convert to fraction form
    834,792.72/1,251,926.28 = 273,696/x
  3. Step 3: Cross multiply
    834,792.72x = 1,251,926.28 × 273,696
  4. Step 4: Simplify right side
    834,792.72x = 342,647,215,130.88
  5. Step 5: Solve for x
    x = 342,647,215,130.88/834,792.72
  6. Step 6: Final answer
    x = 410,457.84

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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.