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Finding the Fourth Proportional to 348,093.80, 522,067.80 and 170,728.10

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Solution

The fourth proportional to 348,093.80, 522,067.80 and 170,728.10 is: 256,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,093.80 : 522,067.80 = 170,728.10 : x
  2. Step 2: Convert to fraction form
    348,093.80/522,067.80 = 170,728.10/x
  3. Step 3: Cross multiply
    348,093.80x = 522,067.80 × 170,728.10
  4. Step 4: Simplify right side
    348,093.80x = 89,131,643,565.18
  5. Step 5: Solve for x
    x = 89,131,643,565.18/348,093.80
  6. Step 6: Final answer
    x = 256,056.40

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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.