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Finding the Fourth Proportional to 270,395.48, 405,650.38 and 101,912.24

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Solution

The fourth proportional to 270,395.48, 405,650.38 and 101,912.24 is: 152,889.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,395.48 : 405,650.38 = 101,912.24 : x
  2. Step 2: Convert to fraction form
    270,395.48/405,650.38 = 101,912.24/x
  3. Step 3: Cross multiply
    270,395.48x = 405,650.38 × 101,912.24
  4. Step 4: Simplify right side
    270,395.48x = 41,340,738,882.65
  5. Step 5: Solve for x
    x = 41,340,738,882.65/270,395.48
  6. Step 6: Final answer
    x = 152,889.90

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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.