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Finding the Fourth Proportional to 449,507.28, 673,864.80 and 183,491.28

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Solution

The fourth proportional to 449,507.28, 673,864.80 and 183,491.28 is: 275,075.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,507.28 : 673,864.80 = 183,491.28 : x
  2. Step 2: Convert to fraction form
    449,507.28/673,864.80 = 183,491.28/x
  3. Step 3: Cross multiply
    449,507.28x = 673,864.80 × 183,491.28
  4. Step 4: Simplify right side
    449,507.28x = 123,648,314,698.94
  5. Step 5: Solve for x
    x = 123,648,314,698.94/449,507.28
  6. Step 6: Final answer
    x = 275,075.22

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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.