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Finding the Fourth Proportional to 327,957.08, 491,935.71 and 253,186.37

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Solution

The fourth proportional to 327,957.08, 491,935.71 and 253,186.37 is: 379,779.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,957.08 : 491,935.71 = 253,186.37 : x
  2. Step 2: Convert to fraction form
    327,957.08/491,935.71 = 253,186.37/x
  3. Step 3: Cross multiply
    327,957.08x = 491,935.71 × 253,186.37
  4. Step 4: Simplify right side
    327,957.08x = 124,551,416,688.27
  5. Step 5: Solve for x
    x = 124,551,416,688.27/327,957.08
  6. Step 6: Final answer
    x = 379,779.62

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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.