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Finding the Fourth Proportional to 1,096,202.88, 1,513,004 and 666,392

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Solution

The fourth proportional to 1,096,202.88, 1,513,004 and 666,392 is: 919,769.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,202.88 : 1,513,004 = 666,392 : x
  2. Step 2: Convert to fraction form
    1,096,202.88/1,513,004 = 666,392/x
  3. Step 3: Cross multiply
    1,096,202.88x = 1,513,004 × 666,392
  4. Step 4: Simplify right side
    1,096,202.88x = 1,008,253,761,568
  5. Step 5: Solve for x
    x = 1,008,253,761,568/1,096,202.88
  6. Step 6: Final answer
    x = 919,769.31

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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.