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Finding the Fourth Proportional to 416,725.20, 624,846.42 and 366,905.34

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Solution

The fourth proportional to 416,725.20, 624,846.42 and 366,905.34 is: 550,145.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,725.20 : 624,846.42 = 366,905.34 : x
  2. Step 2: Convert to fraction form
    416,725.20/624,846.42 = 366,905.34/x
  3. Step 3: Cross multiply
    416,725.20x = 624,846.42 × 366,905.34
  4. Step 4: Simplify right side
    416,725.20x = 229,259,488,177.88
  5. Step 5: Solve for x
    x = 229,259,488,177.88/416,725.20
  6. Step 6: Final answer
    x = 550,145.49

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1.5x scale

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.