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Finding the Fourth Proportional to 370,297.62, 555,651.78 and 180,759.45

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Solution

The fourth proportional to 370,297.62, 555,651.78 and 180,759.45 is: 271,239.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,297.62 : 555,651.78 = 180,759.45 : x
  2. Step 2: Convert to fraction form
    370,297.62/555,651.78 = 180,759.45/x
  3. Step 3: Cross multiply
    370,297.62x = 555,651.78 × 180,759.45
  4. Step 4: Simplify right side
    370,297.62x = 100,439,310,144.32
  5. Step 5: Solve for x
    x = 100,439,310,144.32/370,297.62
  6. Step 6: Final answer
    x = 271,239.42

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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.