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Finding the Fourth Proportional to 603,247.17, 904,982 and 198,462.16

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Solution

The fourth proportional to 603,247.17, 904,982 and 198,462.16 is: 297,729.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,247.17 : 904,982 = 198,462.16 : x
  2. Step 2: Convert to fraction form
    603,247.17/904,982 = 198,462.16/x
  3. Step 3: Cross multiply
    603,247.17x = 904,982 × 198,462.16
  4. Step 4: Simplify right side
    603,247.17x = 179,604,682,481.12
  5. Step 5: Solve for x
    x = 179,604,682,481.12/603,247.17
  6. Step 6: Final answer
    x = 297,729.84

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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.