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Finding the Fourth Proportional to 1,976,670.03, 2,726,751.36 and 1,202,536.83

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Solution

The fourth proportional to 1,976,670.03, 2,726,751.36 and 1,202,536.83 is: 1,658,860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,670.03 : 2,726,751.36 = 1,202,536.83 : x
  2. Step 2: Convert to fraction form
    1,976,670.03/2,726,751.36 = 1,202,536.83/x
  3. Step 3: Cross multiply
    1,976,670.03x = 2,726,751.36 × 1,202,536.83
  4. Step 4: Simplify right side
    1,976,670.03x = 3,279,018,936,652.59
  5. Step 5: Solve for x
    x = 3,279,018,936,652.59/1,976,670.03
  6. Step 6: Final answer
    x = 1,658,860.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.