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Finding the Fourth Proportional to 567,357.20, 850,978.20 and 193,374.80

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Solution

The fourth proportional to 567,357.20, 850,978.20 and 193,374.80 is: 290,042.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,357.20 : 850,978.20 = 193,374.80 : x
  2. Step 2: Convert to fraction form
    567,357.20/850,978.20 = 193,374.80/x
  3. Step 3: Cross multiply
    567,357.20x = 850,978.20 × 193,374.80
  4. Step 4: Simplify right side
    567,357.20x = 164,557,739,229.36
  5. Step 5: Solve for x
    x = 164,557,739,229.36/567,357.20
  6. Step 6: Final answer
    x = 290,042.57

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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.