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Finding the Fourth Proportional to 609,848.80, 914,408.70 and 373,361.20

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Solution

The fourth proportional to 609,848.80, 914,408.70 and 373,361.20 is: 559,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,848.80 : 914,408.70 = 373,361.20 : x
  2. Step 2: Convert to fraction form
    609,848.80/914,408.70 = 373,361.20/x
  3. Step 3: Cross multiply
    609,848.80x = 914,408.70 × 373,361.20
  4. Step 4: Simplify right side
    609,848.80x = 341,404,729,522.44
  5. Step 5: Solve for x
    x = 341,404,729,522.44/609,848.80
  6. Step 6: Final answer
    x = 559,818.65

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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.