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Finding the Fourth Proportional to 454,716.63, 682,127.60 and 151,137.90

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Solution

The fourth proportional to 454,716.63, 682,127.60 and 151,137.90 is: 226,724.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,716.63 : 682,127.60 = 151,137.90 : x
  2. Step 2: Convert to fraction form
    454,716.63/682,127.60 = 151,137.90/x
  3. Step 3: Cross multiply
    454,716.63x = 682,127.60 × 151,137.90
  4. Step 4: Simplify right side
    454,716.63x = 103,095,332,240.35
  5. Step 5: Solve for x
    x = 103,095,332,240.35/454,716.63
  6. Step 6: Final answer
    x = 226,724.35

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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.