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Finding the Fourth Proportional to 567,879.06, 851,634.21 and 188,697.96

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Solution

The fourth proportional to 567,879.06, 851,634.21 and 188,697.96 is: 282,985.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,879.06 : 851,634.21 = 188,697.96 : x
  2. Step 2: Convert to fraction form
    567,879.06/851,634.21 = 188,697.96/x
  3. Step 3: Cross multiply
    567,879.06x = 851,634.21 × 188,697.96
  4. Step 4: Simplify right side
    567,879.06x = 160,701,638,093.21
  5. Step 5: Solve for x
    x = 160,701,638,093.21/567,879.06
  6. Step 6: Final answer
    x = 282,985.67

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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.