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Finding the Fourth Proportional to 301,048.72, 451,515.60 and 151,247.42

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Solution

The fourth proportional to 301,048.72, 451,515.60 and 151,247.42 is: 226,842.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,048.72 : 451,515.60 = 151,247.42 : x
  2. Step 2: Convert to fraction form
    301,048.72/451,515.60 = 151,247.42/x
  3. Step 3: Cross multiply
    301,048.72x = 451,515.60 × 151,247.42
  4. Step 4: Simplify right side
    301,048.72x = 68,290,569,025.36
  5. Step 5: Solve for x
    x = 68,290,569,025.36/301,048.72
  6. Step 6: Final answer
    x = 226,842.25

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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.