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Finding the Fourth Proportional to 599,236.40, 898,984.20 and 199,809.20

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Solution

The fourth proportional to 599,236.40, 898,984.20 and 199,809.20 is: 299,757.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,236.40 : 898,984.20 = 199,809.20 : x
  2. Step 2: Convert to fraction form
    599,236.40/898,984.20 = 199,809.20/x
  3. Step 3: Cross multiply
    599,236.40x = 898,984.20 × 199,809.20
  4. Step 4: Simplify right side
    599,236.40x = 179,625,313,814.64
  5. Step 5: Solve for x
    x = 179,625,313,814.64/599,236.40
  6. Step 6: Final answer
    x = 299,757.01

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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.