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Finding the Fourth Proportional to 814,687.22, 1,222,243.79 and 472,802

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Solution

The fourth proportional to 814,687.22, 1,222,243.79 and 472,802 is: 709,326.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,687.22 : 1,222,243.79 = 472,802 : x
  2. Step 2: Convert to fraction form
    814,687.22/1,222,243.79 = 472,802/x
  3. Step 3: Cross multiply
    814,687.22x = 1,222,243.79 × 472,802
  4. Step 4: Simplify right side
    814,687.22x = 577,879,308,399.58
  5. Step 5: Solve for x
    x = 577,879,308,399.58/814,687.22
  6. Step 6: Final answer
    x = 709,326.59

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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.