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Finding the Fourth Proportional to 455,517.57, 683,206.27 and 151,917.07

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Solution

The fourth proportional to 455,517.57, 683,206.27 and 151,917.07 is: 227,852.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,517.57 : 683,206.27 = 151,917.07 : x
  2. Step 2: Convert to fraction form
    455,517.57/683,206.27 = 151,917.07/x
  3. Step 3: Cross multiply
    455,517.57x = 683,206.27 × 151,917.07
  4. Step 4: Simplify right side
    455,517.57x = 103,790,694,364.24
  5. Step 5: Solve for x
    x = 103,790,694,364.24/455,517.57
  6. Step 6: Final answer
    x = 227,852.23

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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.