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Finding the Fourth Proportional to 299,600.64, 449,487.36 and 133,349.76

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Solution

The fourth proportional to 299,600.64, 449,487.36 and 133,349.76 is: 200,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,600.64 : 449,487.36 = 133,349.76 : x
  2. Step 2: Convert to fraction form
    299,600.64/449,487.36 = 133,349.76/x
  3. Step 3: Cross multiply
    299,600.64x = 449,487.36 × 133,349.76
  4. Step 4: Simplify right side
    299,600.64x = 59,939,031,579.03
  5. Step 5: Solve for x
    x = 59,939,031,579.03/299,600.64
  6. Step 6: Final answer
    x = 200,063.10

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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.