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Finding the Fourth Proportional to 567,710.22, 851,729.70 and 168,360.60

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Solution

The fourth proportional to 567,710.22, 851,729.70 and 168,360.60 is: 252,589.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,710.22 : 851,729.70 = 168,360.60 : x
  2. Step 2: Convert to fraction form
    567,710.22/851,729.70 = 168,360.60/x
  3. Step 3: Cross multiply
    567,710.22x = 851,729.70 × 168,360.60
  4. Step 4: Simplify right side
    567,710.22x = 143,397,723,329.82
  5. Step 5: Solve for x
    x = 143,397,723,329.82/567,710.22
  6. Step 6: Final answer
    x = 252,589.65

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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.