Home / 353,090.20-529,635.30-327,170.20

Finding the Fourth Proportional to 353,090.20, 529,635.30 and 327,170.20

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Solution

The fourth proportional to 353,090.20, 529,635.30 and 327,170.20 is: 490,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,090.20 : 529,635.30 = 327,170.20 : x
  2. Step 2: Convert to fraction form
    353,090.20/529,635.30 = 327,170.20/x
  3. Step 3: Cross multiply
    353,090.20x = 529,635.30 × 327,170.20
  4. Step 4: Simplify right side
    353,090.20x = 173,280,887,028.06
  5. Step 5: Solve for x
    x = 173,280,887,028.06/353,090.20
  6. Step 6: Final answer
    x = 490,755.30

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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.