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Finding the Fourth Proportional to 567,219.38, 850,829.04 and 389,186.64

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Solution

The fourth proportional to 567,219.38, 850,829.04 and 389,186.64 is: 583,779.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,219.38 : 850,829.04 = 389,186.64 : x
  2. Step 2: Convert to fraction form
    567,219.38/850,829.04 = 389,186.64/x
  3. Step 3: Cross multiply
    567,219.38x = 850,829.04 × 389,186.64
  4. Step 4: Simplify right side
    567,219.38x = 331,131,295,292.03
  5. Step 5: Solve for x
    x = 331,131,295,292.03/567,219.38
  6. Step 6: Final answer
    x = 583,779.94

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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.