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Finding the Fourth Proportional to 471,937.20, 708,366.60 and 235,546.80

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Solution

The fourth proportional to 471,937.20, 708,366.60 and 235,546.80 is: 353,550.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,937.20 : 708,366.60 = 235,546.80 : x
  2. Step 2: Convert to fraction form
    471,937.20/708,366.60 = 235,546.80/x
  3. Step 3: Cross multiply
    471,937.20x = 708,366.60 × 235,546.80
  4. Step 4: Simplify right side
    471,937.20x = 166,853,485,856.88
  5. Step 5: Solve for x
    x = 166,853,485,856.88/471,937.20
  6. Step 6: Final answer
    x = 353,550.19

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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.