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Finding the Fourth Proportional to 299,310.90, 448,576.47 and 121,610.16

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Solution

The fourth proportional to 299,310.90, 448,576.47 and 121,610.16 is: 182,256.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,310.90 : 448,576.47 = 121,610.16 : x
  2. Step 2: Convert to fraction form
    299,310.90/448,576.47 = 121,610.16/x
  3. Step 3: Cross multiply
    299,310.90x = 448,576.47 × 121,610.16
  4. Step 4: Simplify right side
    299,310.90x = 54,551,456,288.94
  5. Step 5: Solve for x
    x = 54,551,456,288.94/299,310.90
  6. Step 6: Final answer
    x = 182,256.83

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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.