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Finding the Fourth Proportional to 268,241.80, 402,362.70 and 224,939.20

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Solution

The fourth proportional to 268,241.80, 402,362.70 and 224,939.20 is: 337,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,241.80 : 402,362.70 = 224,939.20 : x
  2. Step 2: Convert to fraction form
    268,241.80/402,362.70 = 224,939.20/x
  3. Step 3: Cross multiply
    268,241.80x = 402,362.70 × 224,939.20
  4. Step 4: Simplify right side
    268,241.80x = 90,507,143,847.84
  5. Step 5: Solve for x
    x = 90,507,143,847.84/268,241.80
  6. Step 6: Final answer
    x = 337,408.80

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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.