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Finding the Fourth Proportional to 503,274.56, 754,964.26 and 161,631.68

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Solution

The fourth proportional to 503,274.56, 754,964.26 and 161,631.68 is: 242,464.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,274.56 : 754,964.26 = 161,631.68 : x
  2. Step 2: Convert to fraction form
    503,274.56/754,964.26 = 161,631.68/x
  3. Step 3: Cross multiply
    503,274.56x = 754,964.26 × 161,631.68
  4. Step 4: Simplify right side
    503,274.56x = 122,026,143,167.09
  5. Step 5: Solve for x
    x = 122,026,143,167.09/503,274.56
  6. Step 6: Final answer
    x = 242,464.36

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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.