Home / 348,524.80-522,787.20-329,171.20

Finding the Fourth Proportional to 348,524.80, 522,787.20 and 329,171.20

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Solution

The fourth proportional to 348,524.80, 522,787.20 and 329,171.20 is: 493,756.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,524.80 : 522,787.20 = 329,171.20 : x
  2. Step 2: Convert to fraction form
    348,524.80/522,787.20 = 329,171.20/x
  3. Step 3: Cross multiply
    348,524.80x = 522,787.20 × 329,171.20
  4. Step 4: Simplify right side
    348,524.80x = 172,086,489,968.64
  5. Step 5: Solve for x
    x = 172,086,489,968.64/348,524.80
  6. Step 6: Final answer
    x = 493,756.80

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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.