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Finding the Fourth Proportional to 366,447.36, 505,663.36 and 207,471.36

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Solution

The fourth proportional to 366,447.36, 505,663.36 and 207,471.36 is: 286,291.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,447.36 : 505,663.36 = 207,471.36 : x
  2. Step 2: Convert to fraction form
    366,447.36/505,663.36 = 207,471.36/x
  3. Step 3: Cross multiply
    366,447.36x = 505,663.36 × 207,471.36
  4. Step 4: Simplify right side
    366,447.36x = 104,910,665,001.37
  5. Step 5: Solve for x
    x = 104,910,665,001.37/366,447.36
  6. Step 6: Final answer
    x = 286,291.23

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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.