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Finding the Fourth Proportional to 325,698.48, 488,580.12 and 101,049.84

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Solution

The fourth proportional to 325,698.48, 488,580.12 and 101,049.84 is: 151,584.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,698.48 : 488,580.12 = 101,049.84 : x
  2. Step 2: Convert to fraction form
    325,698.48/488,580.12 = 101,049.84/x
  3. Step 3: Cross multiply
    325,698.48x = 488,580.12 × 101,049.84
  4. Step 4: Simplify right side
    325,698.48x = 49,370,942,953.18
  5. Step 5: Solve for x
    x = 49,370,942,953.18/325,698.48
  6. Step 6: Final answer
    x = 151,584.81

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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.