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Finding the Fourth Proportional to 325,305.84, 487,977.89 and 125,627.27

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Solution

The fourth proportional to 325,305.84, 487,977.89 and 125,627.27 is: 188,448.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,305.84 : 487,977.89 = 125,627.27 : x
  2. Step 2: Convert to fraction form
    325,305.84/487,977.89 = 125,627.27/x
  3. Step 3: Cross multiply
    325,305.84x = 487,977.89 × 125,627.27
  4. Step 4: Simplify right side
    325,305.84x = 61,303,330,141.06
  5. Step 5: Solve for x
    x = 61,303,330,141.06/325,305.84
  6. Step 6: Final answer
    x = 188,448.29

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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.