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Finding the Fourth Proportional to 449,370.80, 673,661.28 and 183,355.28

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Solution

The fourth proportional to 449,370.80, 673,661.28 and 183,355.28 is: 274,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,370.80 : 673,661.28 = 183,355.28 : x
  2. Step 2: Convert to fraction form
    449,370.80/673,661.28 = 183,355.28/x
  3. Step 3: Cross multiply
    449,370.80x = 673,661.28 × 183,355.28
  4. Step 4: Simplify right side
    449,370.80x = 123,519,352,619.56
  5. Step 5: Solve for x
    x = 123,519,352,619.56/449,370.80
  6. Step 6: Final answer
    x = 274,871.78

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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.