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Finding the Fourth Proportional to 299,174.40, 448,538.40 and 180,820.80

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Solution

The fourth proportional to 299,174.40, 448,538.40 and 180,820.80 is: 271,096.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,174.40 : 448,538.40 = 180,820.80 : x
  2. Step 2: Convert to fraction form
    299,174.40/448,538.40 = 180,820.80/x
  3. Step 3: Cross multiply
    299,174.40x = 448,538.40 × 180,820.80
  4. Step 4: Simplify right side
    299,174.40x = 81,105,072,318.72
  5. Step 5: Solve for x
    x = 81,105,072,318.72/299,174.40
  6. Step 6: Final answer
    x = 271,096.30

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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.