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Finding the Fourth Proportional to 3,279,832.06, 4,917,640.66 and 1,362,066.10

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Solution

The fourth proportional to 3,279,832.06, 4,917,640.66 and 1,362,066.10 is: 2,042,223.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279,832.06 : 4,917,640.66 = 1,362,066.10 : x
  2. Step 2: Convert to fraction form
    3,279,832.06/4,917,640.66 = 1,362,066.10/x
  3. Step 3: Cross multiply
    3,279,832.06x = 4,917,640.66 × 1,362,066.10
  4. Step 4: Simplify right side
    3,279,832.06x = 6,698,151,634,967.63
  5. Step 5: Solve for x
    x = 6,698,151,634,967.63/3,279,832.06
  6. Step 6: Final answer
    x = 2,042,223.97

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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.