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Finding the Fourth Proportional to 307,427.40, 460,709.10 and 244,355.40

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Solution

The fourth proportional to 307,427.40, 460,709.10 and 244,355.40 is: 366,189.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,427.40 : 460,709.10 = 244,355.40 : x
  2. Step 2: Convert to fraction form
    307,427.40/460,709.10 = 244,355.40/x
  3. Step 3: Cross multiply
    307,427.40x = 460,709.10 × 244,355.40
  4. Step 4: Simplify right side
    307,427.40x = 112,576,756,414.14
  5. Step 5: Solve for x
    x = 112,576,756,414.14/307,427.40
  6. Step 6: Final answer
    x = 366,189.73

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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.