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Finding the Fourth Proportional to 1,747,996.56, 2,621,994.84 and 626,852.88

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Solution

The fourth proportional to 1,747,996.56, 2,621,994.84 and 626,852.88 is: 940,279.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747,996.56 : 2,621,994.84 = 626,852.88 : x
  2. Step 2: Convert to fraction form
    1,747,996.56/2,621,994.84 = 626,852.88/x
  3. Step 3: Cross multiply
    1,747,996.56x = 2,621,994.84 × 626,852.88
  4. Step 4: Simplify right side
    1,747,996.56x = 1,643,605,016,799.14
  5. Step 5: Solve for x
    x = 1,643,605,016,799.14/1,747,996.56
  6. Step 6: Final answer
    x = 940,279.32

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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.