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Finding the Fourth Proportional to 353,180.67, 487,395.41 and 192,036.80

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Solution

The fourth proportional to 353,180.67, 487,395.41 and 192,036.80 is: 265,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,180.67 : 487,395.41 = 192,036.80 : x
  2. Step 2: Convert to fraction form
    353,180.67/487,395.41 = 192,036.80/x
  3. Step 3: Cross multiply
    353,180.67x = 487,395.41 × 192,036.80
  4. Step 4: Simplify right side
    353,180.67x = 93,597,856,209.60
  5. Step 5: Solve for x
    x = 93,597,856,209.60/353,180.67
  6. Step 6: Final answer
    x = 265,014.10

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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.