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Finding the Fourth Proportional to 273,744.88, 377,662.22 and 171,728.62

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Solution

The fourth proportional to 273,744.88, 377,662.22 and 171,728.62 is: 236,919.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,744.88 : 377,662.22 = 171,728.62 : x
  2. Step 2: Convert to fraction form
    273,744.88/377,662.22 = 171,728.62/x
  3. Step 3: Cross multiply
    273,744.88x = 377,662.22 × 171,728.62
  4. Step 4: Simplify right side
    273,744.88x = 64,855,411,866.74
  5. Step 5: Solve for x
    x = 64,855,411,866.74/273,744.88
  6. Step 6: Final answer
    x = 236,919.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.