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Finding the Fourth Proportional to 503,274.82, 754,964.64 and 161,631.94

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Solution

The fourth proportional to 503,274.82, 754,964.64 and 161,631.94 is: 242,464.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,274.82 : 754,964.64 = 161,631.94 : x
  2. Step 2: Convert to fraction form
    503,274.82/754,964.64 = 161,631.94/x
  3. Step 3: Cross multiply
    503,274.82x = 754,964.64 × 161,631.94
  4. Step 4: Simplify right side
    503,274.82x = 122,026,399,394.60
  5. Step 5: Solve for x
    x = 122,026,399,394.60/503,274.82
  6. Step 6: Final answer
    x = 242,464.74

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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.