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Finding the Fourth Proportional to 567,937.69, 851,791.94 and 207,985.67

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Solution

The fourth proportional to 567,937.69, 851,791.94 and 207,985.67 is: 311,936.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,937.69 : 851,791.94 = 207,985.67 : x
  2. Step 2: Convert to fraction form
    567,937.69/851,791.94 = 207,985.67/x
  3. Step 3: Cross multiply
    567,937.69x = 851,791.94 × 207,985.67
  4. Step 4: Simplify right side
    567,937.69x = 177,160,517,341.50
  5. Step 5: Solve for x
    x = 177,160,517,341.50/567,937.69
  6. Step 6: Final answer
    x = 311,936.54

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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.