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Finding the Fourth Proportional to 504,816.12, 757,002.11 and 189,051.39

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Solution

The fourth proportional to 504,816.12, 757,002.11 and 189,051.39 is: 283,493.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,816.12 : 757,002.11 = 189,051.39 : x
  2. Step 2: Convert to fraction form
    504,816.12/757,002.11 = 189,051.39/x
  3. Step 3: Cross multiply
    504,816.12x = 757,002.11 × 189,051.39
  4. Step 4: Simplify right side
    504,816.12x = 143,112,300,183.18
  5. Step 5: Solve for x
    x = 143,112,300,183.18/504,816.12
  6. Step 6: Final answer
    x = 283,493.92

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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.