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Finding the Fourth Proportional to 567,081.39, 850,638.48 and 212,027.61

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Solution

The fourth proportional to 567,081.39, 850,638.48 and 212,027.61 is: 318,047.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,081.39 : 850,638.48 = 212,027.61 : x
  2. Step 2: Convert to fraction form
    567,081.39/850,638.48 = 212,027.61/x
  3. Step 3: Cross multiply
    567,081.39x = 850,638.48 × 212,027.61
  4. Step 4: Simplify right side
    567,081.39x = 180,358,843,888.43
  5. Step 5: Solve for x
    x = 180,358,843,888.43/567,081.39
  6. Step 6: Final answer
    x = 318,047.54

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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.