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Finding the Fourth Proportional to 352,795.44, 487,059.54 and 232,286.72

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Solution

The fourth proportional to 352,795.44, 487,059.54 and 232,286.72 is: 320,688.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,795.44 : 487,059.54 = 232,286.72 : x
  2. Step 2: Convert to fraction form
    352,795.44/487,059.54 = 232,286.72/x
  3. Step 3: Cross multiply
    352,795.44x = 487,059.54 × 232,286.72
  4. Step 4: Simplify right side
    352,795.44x = 113,137,462,991.31
  5. Step 5: Solve for x
    x = 113,137,462,991.31/352,795.44
  6. Step 6: Final answer
    x = 320,688.56

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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.