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Finding the Fourth Proportional to 299,246.40, 448,646.40 and 180,892.80

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Solution

The fourth proportional to 299,246.40, 448,646.40 and 180,892.80 is: 271,204.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,246.40 : 448,646.40 = 180,892.80 : x
  2. Step 2: Convert to fraction form
    299,246.40/448,646.40 = 180,892.80/x
  3. Step 3: Cross multiply
    299,246.40x = 448,646.40 × 180,892.80
  4. Step 4: Simplify right side
    299,246.40x = 81,156,903,505.92
  5. Step 5: Solve for x
    x = 81,156,903,505.92/299,246.40
  6. Step 6: Final answer
    x = 271,204.28

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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.