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Finding the Fourth Proportional to 235,840.56, 325,662.24 and 228,214.62

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Solution

The fourth proportional to 235,840.56, 325,662.24 and 228,214.62 is: 315,131.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,840.56 : 325,662.24 = 228,214.62 : x
  2. Step 2: Convert to fraction form
    235,840.56/325,662.24 = 228,214.62/x
  3. Step 3: Cross multiply
    235,840.56x = 325,662.24 × 228,214.62
  4. Step 4: Simplify right side
    235,840.56x = 74,320,884,349.95
  5. Step 5: Solve for x
    x = 74,320,884,349.95/235,840.56
  6. Step 6: Final answer
    x = 315,131.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.