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Finding the Fourth Proportional to 1,945,960.27, 2,917,960.44 and 648,653.34

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Solution

The fourth proportional to 1,945,960.27, 2,917,960.44 and 648,653.34 is: 972,653.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,960.27 : 2,917,960.44 = 648,653.34 : x
  2. Step 2: Convert to fraction form
    1,945,960.27/2,917,960.44 = 648,653.34/x
  3. Step 3: Cross multiply
    1,945,960.27x = 2,917,960.44 × 648,653.34
  4. Step 4: Simplify right side
    1,945,960.27x = 1,892,744,785,393.87
  5. Step 5: Solve for x
    x = 1,892,744,785,393.87/1,945,960.27
  6. Step 6: Final answer
    x = 972,653.36

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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.