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Finding the Fourth Proportional to 301,041.78, 451,505.19 and 151,240.49

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Solution

The fourth proportional to 301,041.78, 451,505.19 and 151,240.49 is: 226,831.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,041.78 : 451,505.19 = 151,240.49 : x
  2. Step 2: Convert to fraction form
    301,041.78/451,505.19 = 151,240.49/x
  3. Step 3: Cross multiply
    301,041.78x = 451,505.19 × 151,240.49
  4. Step 4: Simplify right side
    301,041.78x = 68,285,863,915.62
  5. Step 5: Solve for x
    x = 68,285,863,915.62/301,041.78
  6. Step 6: Final answer
    x = 226,831.85

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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.