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Finding the Fourth Proportional to 298,846.80, 448,525.35 and 121,481.10

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Solution

The fourth proportional to 298,846.80, 448,525.35 and 121,481.10 is: 182,325.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,846.80 : 448,525.35 = 121,481.10 : x
  2. Step 2: Convert to fraction form
    298,846.80/448,525.35 = 121,481.10/x
  3. Step 3: Cross multiply
    298,846.80x = 448,525.35 × 121,481.10
  4. Step 4: Simplify right side
    298,846.80x = 54,487,352,895.89
  5. Step 5: Solve for x
    x = 54,487,352,895.89/298,846.80
  6. Step 6: Final answer
    x = 182,325.37

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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.