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Finding the Fourth Proportional to 299,793.15, 413,719.65 and 178,910.98

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Solution

The fourth proportional to 299,793.15, 413,719.65 and 178,910.98 is: 246,900.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,793.15 : 413,719.65 = 178,910.98 : x
  2. Step 2: Convert to fraction form
    299,793.15/413,719.65 = 178,910.98/x
  3. Step 3: Cross multiply
    299,793.15x = 413,719.65 × 178,910.98
  4. Step 4: Simplify right side
    299,793.15x = 74,018,986,992.46
  5. Step 5: Solve for x
    x = 74,018,986,992.46/299,793.15
  6. Step 6: Final answer
    x = 246,900.19

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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.