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Finding the Fourth Proportional to 504,928.69, 757,171.63 and 189,164.77

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Solution

The fourth proportional to 504,928.69, 757,171.63 and 189,164.77 is: 283,664.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,928.69 : 757,171.63 = 189,164.77 : x
  2. Step 2: Convert to fraction form
    504,928.69/757,171.63 = 189,164.77/x
  3. Step 3: Cross multiply
    504,928.69x = 757,171.63 × 189,164.77
  4. Step 4: Simplify right side
    504,928.69x = 143,230,197,239.48
  5. Step 5: Solve for x
    x = 143,230,197,239.48/504,928.69
  6. Step 6: Final answer
    x = 283,664.21

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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.