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Finding the Fourth Proportional to 299,583,706.60, 449,375,559.90 and 254,234,074.60

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Solution

The fourth proportional to 299,583,706.60, 449,375,559.90 and 254,234,074.60 is: 381,351,111.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,583,706.60 : 449,375,559.90 = 254,234,074.60 : x
  2. Step 2: Convert to fraction form
    299,583,706.60/449,375,559.90 = 254,234,074.60/x
  3. Step 3: Cross multiply
    299,583,706.60x = 449,375,559.90 × 254,234,074.60
  4. Step 4: Simplify right side
    299,583,706.60x = 114,246,579,619,033,360
  5. Step 5: Solve for x
    x = 114,246,579,619,033,360/299,583,706.60
  6. Step 6: Final answer
    x = 381,351,111.90

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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.