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Finding the Fourth Proportional to 368,794.49, 508,845.83 and 225,502.25

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Solution

The fourth proportional to 368,794.49, 508,845.83 and 225,502.25 is: 311,137.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,794.49 : 508,845.83 = 225,502.25 : x
  2. Step 2: Convert to fraction form
    368,794.49/508,845.83 = 225,502.25/x
  3. Step 3: Cross multiply
    368,794.49x = 508,845.83 × 225,502.25
  4. Step 4: Simplify right side
    368,794.49x = 114,745,875,896.38
  5. Step 5: Solve for x
    x = 114,745,875,896.38/368,794.49
  6. Step 6: Final answer
    x = 311,137.72

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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.