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Finding the Fourth Proportional to 603,180.90, 905,099.40 and 248,230.80

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Solution

The fourth proportional to 603,180.90, 905,099.40 and 248,230.80 is: 372,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,180.90 : 905,099.40 = 248,230.80 : x
  2. Step 2: Convert to fraction form
    603,180.90/905,099.40 = 248,230.80/x
  3. Step 3: Cross multiply
    603,180.90x = 905,099.40 × 248,230.80
  4. Step 4: Simplify right side
    603,180.90x = 224,673,548,141.52
  5. Step 5: Solve for x
    x = 224,673,548,141.52/603,180.90
  6. Step 6: Final answer
    x = 372,481.20

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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.