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Finding the Fourth Proportional to 325,984.19, 488,856.48 and 112,697.42

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Solution

The fourth proportional to 325,984.19, 488,856.48 and 112,697.42 is: 169,004.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,984.19 : 488,856.48 = 112,697.42 : x
  2. Step 2: Convert to fraction form
    325,984.19/488,856.48 = 112,697.42/x
  3. Step 3: Cross multiply
    325,984.19x = 488,856.48 × 112,697.42
  4. Step 4: Simplify right side
    325,984.19x = 55,092,861,602.00
  5. Step 5: Solve for x
    x = 55,092,861,602.00/325,984.19
  6. Step 6: Final answer
    x = 169,004.71

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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.