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Finding the Fourth Proportional to 1,933,917.03, 2,900,902.28 and 513,965.97

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Solution

The fourth proportional to 1,933,917.03, 2,900,902.28 and 513,965.97 is: 770,956.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933,917.03 : 2,900,902.28 = 513,965.97 : x
  2. Step 2: Convert to fraction form
    1,933,917.03/2,900,902.28 = 513,965.97/x
  3. Step 3: Cross multiply
    1,933,917.03x = 2,900,902.28 × 513,965.97
  4. Step 4: Simplify right side
    1,933,917.03x = 1,490,965,051,645.58
  5. Step 5: Solve for x
    x = 1,490,965,051,645.58/1,933,917.03
  6. Step 6: Final answer
    x = 770,956.06

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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.