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Finding the Fourth Proportional to 299,223.40, 448,611.90 and 180,869.80

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Solution

The fourth proportional to 299,223.40, 448,611.90 and 180,869.80 is: 271,169.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,223.40 : 448,611.90 = 180,869.80 : x
  2. Step 2: Convert to fraction form
    299,223.40/448,611.90 = 180,869.80/x
  3. Step 3: Cross multiply
    299,223.40x = 448,611.90 × 180,869.80
  4. Step 4: Simplify right side
    299,223.40x = 81,140,344,630.62
  5. Step 5: Solve for x
    x = 81,140,344,630.62/299,223.40
  6. Step 6: Final answer
    x = 271,169.78

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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.