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Finding the Fourth Proportional to 685,572.96, 1,027,729.62 and 236,187

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Solution

The fourth proportional to 685,572.96, 1,027,729.62 and 236,187 is: 354,063.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,572.96 : 1,027,729.62 = 236,187 : x
  2. Step 2: Convert to fraction form
    685,572.96/1,027,729.62 = 236,187/x
  3. Step 3: Cross multiply
    685,572.96x = 1,027,729.62 × 236,187
  4. Step 4: Simplify right side
    685,572.96x = 242,736,375,758.94
  5. Step 5: Solve for x
    x = 242,736,375,758.94/685,572.96
  6. Step 6: Final answer
    x = 354,063.52

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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.