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Finding the Fourth Proportional to 300,374.54, 414,515.34 and 162,553.37

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Solution

The fourth proportional to 300,374.54, 414,515.34 and 162,553.37 is: 224,322.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,374.54 : 414,515.34 = 162,553.37 : x
  2. Step 2: Convert to fraction form
    300,374.54/414,515.34 = 162,553.37/x
  3. Step 3: Cross multiply
    300,374.54x = 414,515.34 × 162,553.37
  4. Step 4: Simplify right side
    300,374.54x = 67,380,865,433.70
  5. Step 5: Solve for x
    x = 67,380,865,433.70/300,374.54
  6. Step 6: Final answer
    x = 224,322.83

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1.5x scale

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.