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Finding the Fourth Proportional to 235,989.56, 325,347.18 and 228,651.32

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Solution

The fourth proportional to 235,989.56, 325,347.18 and 228,651.32 is: 315,230.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,989.56 : 325,347.18 = 228,651.32 : x
  2. Step 2: Convert to fraction form
    235,989.56/325,347.18 = 228,651.32/x
  3. Step 3: Cross multiply
    235,989.56x = 325,347.18 × 228,651.32
  4. Step 4: Simplify right side
    235,989.56x = 74,391,062,165.28
  5. Step 5: Solve for x
    x = 74,391,062,165.28/235,989.56
  6. Step 6: Final answer
    x = 315,230.31

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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.