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Finding the Fourth Proportional to 299,994.12, 413,998.47 and 179,112.87

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Solution

The fourth proportional to 299,994.12, 413,998.47 and 179,112.87 is: 247,179.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,994.12 : 413,998.47 = 179,112.87 : x
  2. Step 2: Convert to fraction form
    299,994.12/413,998.47 = 179,112.87/x
  3. Step 3: Cross multiply
    299,994.12x = 413,998.47 × 179,112.87
  4. Step 4: Simplify right side
    299,994.12x = 74,152,454,137.31
  5. Step 5: Solve for x
    x = 74,152,454,137.31/299,994.12
  6. Step 6: Final answer
    x = 247,179.69

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1.5x scale

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.