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Finding the Fourth Proportional to 325,028.60, 487,542.90 and 295,998.20

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Solution

The fourth proportional to 325,028.60, 487,542.90 and 295,998.20 is: 443,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,028.60 : 487,542.90 = 295,998.20 : x
  2. Step 2: Convert to fraction form
    325,028.60/487,542.90 = 295,998.20/x
  3. Step 3: Cross multiply
    325,028.60x = 487,542.90 × 295,998.20
  4. Step 4: Simplify right side
    325,028.60x = 144,311,820,822.78
  5. Step 5: Solve for x
    x = 144,311,820,822.78/325,028.60
  6. Step 6: Final answer
    x = 443,997.30

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Double scale
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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.