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Finding the Fourth Proportional to 299,598.35, 449,392.96 and 89,236.28

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Solution

The fourth proportional to 299,598.35, 449,392.96 and 89,236.28 is: 133,853.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,598.35 : 449,392.96 = 89,236.28 : x
  2. Step 2: Convert to fraction form
    299,598.35/449,392.96 = 89,236.28/x
  3. Step 3: Cross multiply
    299,598.35x = 449,392.96 × 89,236.28
  4. Step 4: Simplify right side
    299,598.35x = 40,102,157,243.62
  5. Step 5: Solve for x
    x = 40,102,157,243.62/299,598.35
  6. Step 6: Final answer
    x = 133,853.07

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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.