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Finding the Fourth Proportional to 1,743,285.82, 2,405,796.11 and 968,932.10

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Solution

The fourth proportional to 1,743,285.82, 2,405,796.11 and 968,932.10 is: 1,337,160.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743,285.82 : 2,405,796.11 = 968,932.10 : x
  2. Step 2: Convert to fraction form
    1,743,285.82/2,405,796.11 = 968,932.10/x
  3. Step 3: Cross multiply
    1,743,285.82x = 2,405,796.11 × 968,932.10
  4. Step 4: Simplify right side
    1,743,285.82x = 2,331,053,077,034.13
  5. Step 5: Solve for x
    x = 2,331,053,077,034.13/1,743,285.82
  6. Step 6: Final answer
    x = 1,337,160.58

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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.