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Finding the Fourth Proportional to 567,513.20, 851,212.20 and 193,530.80

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Solution

The fourth proportional to 567,513.20, 851,212.20 and 193,530.80 is: 290,276.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,513.20 : 851,212.20 = 193,530.80 : x
  2. Step 2: Convert to fraction form
    567,513.20/851,212.20 = 193,530.80/x
  3. Step 3: Cross multiply
    567,513.20x = 851,212.20 × 193,530.80
  4. Step 4: Simplify right side
    567,513.20x = 164,735,778,035.76
  5. Step 5: Solve for x
    x = 164,735,778,035.76/567,513.20
  6. Step 6: Final answer
    x = 290,276.56

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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.