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Finding the Fourth Proportional to 348,223.58, 480,568.55 and 195,310.82

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Solution

The fourth proportional to 348,223.58, 480,568.55 and 195,310.82 is: 269,540.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,223.58 : 480,568.55 = 195,310.82 : x
  2. Step 2: Convert to fraction form
    348,223.58/480,568.55 = 195,310.82/x
  3. Step 3: Cross multiply
    348,223.58x = 480,568.55 × 195,310.82
  4. Step 4: Simplify right side
    348,223.58x = 93,860,234,187.31
  5. Step 5: Solve for x
    x = 93,860,234,187.31/348,223.58
  6. Step 6: Final answer
    x = 269,540.15

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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.