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Finding the Fourth Proportional to 567,345.60, 851,212.80 and 252,028.80

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Solution

The fourth proportional to 567,345.60, 851,212.80 and 252,028.80 is: 378,129.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,345.60 : 851,212.80 = 252,028.80 : x
  2. Step 2: Convert to fraction form
    567,345.60/851,212.80 = 252,028.80/x
  3. Step 3: Cross multiply
    567,345.60x = 851,212.80 × 252,028.80
  4. Step 4: Simplify right side
    567,345.60x = 214,530,140,528.64
  5. Step 5: Solve for x
    x = 214,530,140,528.64/567,345.60
  6. Step 6: Final answer
    x = 378,129.56

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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.