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Finding the Fourth Proportional to 301,046.10, 451,569.15 and 123,680.40

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Solution

The fourth proportional to 301,046.10, 451,569.15 and 123,680.40 is: 185,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,046.10 : 451,569.15 = 123,680.40 : x
  2. Step 2: Convert to fraction form
    301,046.10/451,569.15 = 123,680.40/x
  3. Step 3: Cross multiply
    301,046.10x = 451,569.15 × 123,680.40
  4. Step 4: Simplify right side
    301,046.10x = 55,850,253,099.66
  5. Step 5: Solve for x
    x = 55,850,253,099.66/301,046.10
  6. Step 6: Final answer
    x = 185,520.60

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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.