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Finding the Fourth Proportional to 449,322.28, 673,982.16 and 183,020.20

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Solution

The fourth proportional to 449,322.28, 673,982.16 and 183,020.20 is: 274,529.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,322.28 : 673,982.16 = 183,020.20 : x
  2. Step 2: Convert to fraction form
    449,322.28/673,982.16 = 183,020.20/x
  3. Step 3: Cross multiply
    449,322.28x = 673,982.16 × 183,020.20
  4. Step 4: Simplify right side
    449,322.28x = 123,352,349,719.63
  5. Step 5: Solve for x
    x = 123,352,349,719.63/449,322.28
  6. Step 6: Final answer
    x = 274,529.79

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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.