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Finding the Fourth Proportional to 1,764,769.52, 2,640,474.12 and 1,045,497.26

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Solution

The fourth proportional to 1,764,769.52, 2,640,474.12 and 1,045,497.26 is: 1,564,288.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,769.52 : 2,640,474.12 = 1,045,497.26 : x
  2. Step 2: Convert to fraction form
    1,764,769.52/2,640,474.12 = 1,045,497.26/x
  3. Step 3: Cross multiply
    1,764,769.52x = 2,640,474.12 × 1,045,497.26
  4. Step 4: Simplify right side
    1,764,769.52x = 2,760,608,457,560.91
  5. Step 5: Solve for x
    x = 2,760,608,457,560.91/1,764,769.52
  6. Step 6: Final answer
    x = 1,564,288.38

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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.