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Finding the Fourth Proportional to 1,752,917.28, 2,629,769.92 and 554,911.44

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Solution

The fourth proportional to 1,752,917.28, 2,629,769.92 and 554,911.44 is: 832,491.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,917.28 : 2,629,769.92 = 554,911.44 : x
  2. Step 2: Convert to fraction form
    1,752,917.28/2,629,769.92 = 554,911.44/x
  3. Step 3: Cross multiply
    1,752,917.28x = 2,629,769.92 × 554,911.44
  4. Step 4: Simplify right side
    1,752,917.28x = 1,459,289,413,175.88
  5. Step 5: Solve for x
    x = 1,459,289,413,175.88/1,752,917.28
  6. Step 6: Final answer
    x = 832,491.89

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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.