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Finding the Fourth Proportional to 351,052.02, 484,450.32 and 189,906.69

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Solution

The fourth proportional to 351,052.02, 484,450.32 and 189,906.69 is: 262,070.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,052.02 : 484,450.32 = 189,906.69 : x
  2. Step 2: Convert to fraction form
    351,052.02/484,450.32 = 189,906.69/x
  3. Step 3: Cross multiply
    351,052.02x = 484,450.32 × 189,906.69
  4. Step 4: Simplify right side
    351,052.02x = 92,000,356,740.64
  5. Step 5: Solve for x
    x = 92,000,356,740.64/351,052.02
  6. Step 6: Final answer
    x = 262,070.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.