Home / 352,028.20-528,042.30-331,292.20

Finding the Fourth Proportional to 352,028.20, 528,042.30 and 331,292.20

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Solution

The fourth proportional to 352,028.20, 528,042.30 and 331,292.20 is: 496,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,028.20 : 528,042.30 = 331,292.20 : x
  2. Step 2: Convert to fraction form
    352,028.20/528,042.30 = 331,292.20/x
  3. Step 3: Cross multiply
    352,028.20x = 528,042.30 × 331,292.20
  4. Step 4: Simplify right side
    352,028.20x = 174,936,295,260.06
  5. Step 5: Solve for x
    x = 174,936,295,260.06/352,028.20
  6. Step 6: Final answer
    x = 496,938.30

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Similar ratio
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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.