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Finding the Fourth Proportional to 3,380,788.07, 5,071,772.63 and 1,487,480.30

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Solution

The fourth proportional to 3,380,788.07, 5,071,772.63 and 1,487,480.30 is: 2,231,480.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380,788.07 : 5,071,772.63 = 1,487,480.30 : x
  2. Step 2: Convert to fraction form
    3,380,788.07/5,071,772.63 = 1,487,480.30/x
  3. Step 3: Cross multiply
    3,380,788.07x = 5,071,772.63 × 1,487,480.30
  4. Step 4: Simplify right side
    3,380,788.07x = 7,544,161,873,204.19
  5. Step 5: Solve for x
    x = 7,544,161,873,204.19/3,380,788.07
  6. Step 6: Final answer
    x = 2,231,480.27

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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.