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Finding the Fourth Proportional to 603,367.76, 904,859.42 and 198,467.30

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Solution

The fourth proportional to 603,367.76, 904,859.42 and 198,467.30 is: 297,637.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,367.76 : 904,859.42 = 198,467.30 : x
  2. Step 2: Convert to fraction form
    603,367.76/904,859.42 = 198,467.30/x
  3. Step 3: Cross multiply
    603,367.76x = 904,859.42 × 198,467.30
  4. Step 4: Simplify right side
    603,367.76x = 179,585,007,988.92
  5. Step 5: Solve for x
    x = 179,585,007,988.92/603,367.76
  6. Step 6: Final answer
    x = 297,637.73

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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.