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Finding the Fourth Proportional to 270,719.20, 373,467.36 and 175,256.80

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Solution

The fourth proportional to 270,719.20, 373,467.36 and 175,256.80 is: 241,773.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,719.20 : 373,467.36 = 175,256.80 : x
  2. Step 2: Convert to fraction form
    270,719.20/373,467.36 = 175,256.80/x
  3. Step 3: Cross multiply
    270,719.20x = 373,467.36 × 175,256.80
  4. Step 4: Simplify right side
    270,719.20x = 65,452,694,418.05
  5. Step 5: Solve for x
    x = 65,452,694,418.05/270,719.20
  6. Step 6: Final answer
    x = 241,773.37

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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.