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Finding the Fourth Proportional to 567,221.76, 851,029.44 and 251,900.16

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Solution

The fourth proportional to 567,221.76, 851,029.44 and 251,900.16 is: 377,937.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,221.76 : 851,029.44 = 251,900.16 : x
  2. Step 2: Convert to fraction form
    567,221.76/851,029.44 = 251,900.16/x
  3. Step 3: Cross multiply
    567,221.76x = 851,029.44 × 251,900.16
  4. Step 4: Simplify right side
    567,221.76x = 214,374,452,100.71
  5. Step 5: Solve for x
    x = 214,374,452,100.71/567,221.76
  6. Step 6: Final answer
    x = 377,937.64

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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.