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Finding the Fourth Proportional to 270,452.64, 405,647.91 and 70,792.37

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Solution

The fourth proportional to 270,452.64, 405,647.91 and 70,792.37 is: 106,180.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,452.64 : 405,647.91 = 70,792.37 : x
  2. Step 2: Convert to fraction form
    270,452.64/405,647.91 = 70,792.37/x
  3. Step 3: Cross multiply
    270,452.64x = 405,647.91 × 70,792.37
  4. Step 4: Simplify right side
    270,452.64x = 28,716,774,906.21
  5. Step 5: Solve for x
    x = 28,716,774,906.21/270,452.64
  6. Step 6: Final answer
    x = 106,180.42

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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.