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Finding the Fourth Proportional to 1,229,824.08, 1,843,941.24 and 481,945.68

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Solution

The fourth proportional to 1,229,824.08, 1,843,941.24 and 481,945.68 is: 722,607.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,824.08 : 1,843,941.24 = 481,945.68 : x
  2. Step 2: Convert to fraction form
    1,229,824.08/1,843,941.24 = 481,945.68/x
  3. Step 3: Cross multiply
    1,229,824.08x = 1,843,941.24 × 481,945.68
  4. Step 4: Simplify right side
    1,229,824.08x = 888,679,514,791.84
  5. Step 5: Solve for x
    x = 888,679,514,791.84/1,229,824.08
  6. Step 6: Final answer
    x = 722,607.02

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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.