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Finding the Fourth Proportional to 567,886.50, 851,580.27 and 212,651.33

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Solution

The fourth proportional to 567,886.50, 851,580.27 and 212,651.33 is: 318,883.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,886.50 : 851,580.27 = 212,651.33 : x
  2. Step 2: Convert to fraction form
    567,886.50/851,580.27 = 212,651.33/x
  3. Step 3: Cross multiply
    567,886.50x = 851,580.27 × 212,651.33
  4. Step 4: Simplify right side
    567,886.50x = 181,089,672,759.36
  5. Step 5: Solve for x
    x = 181,089,672,759.36/567,886.50
  6. Step 6: Final answer
    x = 318,883.57

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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.