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Finding the Fourth Proportional to 1,789,775.52, 2,469,890.52 and 984,959.52

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Solution

The fourth proportional to 1,789,775.52, 2,469,890.52 and 984,959.52 is: 1,359,244.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,775.52 : 2,469,890.52 = 984,959.52 : x
  2. Step 2: Convert to fraction form
    1,789,775.52/2,469,890.52 = 984,959.52/x
  3. Step 3: Cross multiply
    1,789,775.52x = 2,469,890.52 × 984,959.52
  4. Step 4: Simplify right side
    1,789,775.52x = 2,432,742,181,031.75
  5. Step 5: Solve for x
    x = 2,432,742,181,031.75/1,789,775.52
  6. Step 6: Final answer
    x = 1,359,244.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.