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Finding the Fourth Proportional to 395,585.28, 593,334.36 and 111,284.86

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Solution

The fourth proportional to 395,585.28, 593,334.36 and 111,284.86 is: 166,915.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,585.28 : 593,334.36 = 111,284.86 : x
  2. Step 2: Convert to fraction form
    395,585.28/593,334.36 = 111,284.86/x
  3. Step 3: Cross multiply
    395,585.28x = 593,334.36 × 111,284.86
  4. Step 4: Simplify right side
    395,585.28x = 66,029,131,185.79
  5. Step 5: Solve for x
    x = 66,029,131,185.79/395,585.28
  6. Step 6: Final answer
    x = 166,915.04

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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.