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Finding the Fourth Proportional to 298,994.15, 448,655.25 and 121,453.49

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Solution

The fourth proportional to 298,994.15, 448,655.25 and 121,453.49 is: 182,246.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,994.15 : 448,655.25 = 121,453.49 : x
  2. Step 2: Convert to fraction form
    298,994.15/448,655.25 = 121,453.49/x
  3. Step 3: Cross multiply
    298,994.15x = 448,655.25 × 121,453.49
  4. Step 4: Simplify right side
    298,994.15x = 54,490,743,676.05
  5. Step 5: Solve for x
    x = 54,490,743,676.05/298,994.15
  6. Step 6: Final answer
    x = 182,246.86

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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.