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Finding the Fourth Proportional to 300,717.06, 414,986.03 and 162,893.39

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Solution

The fourth proportional to 300,717.06, 414,986.03 and 162,893.39 is: 224,790.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,717.06 : 414,986.03 = 162,893.39 : x
  2. Step 2: Convert to fraction form
    300,717.06/414,986.03 = 162,893.39/x
  3. Step 3: Cross multiply
    300,717.06x = 414,986.03 × 162,893.39
  4. Step 4: Simplify right side
    300,717.06x = 67,598,481,117.84
  5. Step 5: Solve for x
    x = 67,598,481,117.84/300,717.06
  6. Step 6: Final answer
    x = 224,790.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.