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Finding the Fourth Proportional to 299,327.89, 448,601.94 and 121,627.16

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Solution

The fourth proportional to 299,327.89, 448,601.94 and 121,627.16 is: 182,282.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,327.89 : 448,601.94 = 121,627.16 : x
  2. Step 2: Convert to fraction form
    299,327.89/448,601.94 = 121,627.16/x
  3. Step 3: Cross multiply
    299,327.89x = 448,601.94 × 121,627.16
  4. Step 4: Simplify right side
    299,327.89x = 54,562,179,932.69
  5. Step 5: Solve for x
    x = 54,562,179,932.69/299,327.89
  6. Step 6: Final answer
    x = 182,282.31

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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.