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Finding the Fourth Proportional to 301,046.61, 451,512.35 and 151,245.39

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Solution

The fourth proportional to 301,046.61, 451,512.35 and 151,245.39 is: 226,839.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,046.61 : 451,512.35 = 151,245.39 : x
  2. Step 2: Convert to fraction form
    301,046.61/451,512.35 = 151,245.39/x
  3. Step 3: Cross multiply
    301,046.61x = 451,512.35 × 151,245.39
  4. Step 4: Simplify right side
    301,046.61x = 68,289,159,208.00
  5. Step 5: Solve for x
    x = 68,289,159,208.00/301,046.61
  6. Step 6: Final answer
    x = 226,839.16

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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.