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Finding the Fourth Proportional to 291,533.17, 437,334.79 and 275,589.94

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Solution

The fourth proportional to 291,533.17, 437,334.79 and 275,589.94 is: 413,418.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,533.17 : 437,334.79 = 275,589.94 : x
  2. Step 2: Convert to fraction form
    291,533.17/437,334.79 = 275,589.94/x
  3. Step 3: Cross multiply
    291,533.17x = 437,334.79 × 275,589.94
  4. Step 4: Simplify right side
    291,533.17x = 120,525,066,753.70
  5. Step 5: Solve for x
    x = 120,525,066,753.70/291,533.17
  6. Step 6: Final answer
    x = 413,418.03

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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.