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Finding the Fourth Proportional to 3,309,872.25, 4,964,808.65 and 1,066,010.25

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Solution

The fourth proportional to 3,309,872.25, 4,964,808.65 and 1,066,010.25 is: 1,599,015.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309,872.25 : 4,964,808.65 = 1,066,010.25 : x
  2. Step 2: Convert to fraction form
    3,309,872.25/4,964,808.65 = 1,066,010.25/x
  3. Step 3: Cross multiply
    3,309,872.25x = 4,964,808.65 × 1,066,010.25
  4. Step 4: Simplify right side
    3,309,872.25x = 5,292,536,904,858.61
  5. Step 5: Solve for x
    x = 5,292,536,904,858.61/3,309,872.25
  6. Step 6: Final answer
    x = 1,599,015.46

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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.