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Finding the Fourth Proportional to 1,798,592.88, 2,477,401.56 and 1,253,754.48

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Solution

The fourth proportional to 1,798,592.88, 2,477,401.56 and 1,253,754.48 is: 1,726,935.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,592.88 : 2,477,401.56 = 1,253,754.48 : x
  2. Step 2: Convert to fraction form
    1,798,592.88/2,477,401.56 = 1,253,754.48/x
  3. Step 3: Cross multiply
    1,798,592.88x = 2,477,401.56 × 1,253,754.48
  4. Step 4: Simplify right side
    1,798,592.88x = 3,106,053,304,608.99
  5. Step 5: Solve for x
    x = 3,106,053,304,608.99/1,798,592.88
  6. Step 6: Final answer
    x = 1,726,935.17

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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.