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Finding the Fourth Proportional to 274,393.02, 378,209.43 and 183,716.94

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Solution

The fourth proportional to 274,393.02, 378,209.43 and 183,716.94 is: 253,226.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,393.02 : 378,209.43 = 183,716.94 : x
  2. Step 2: Convert to fraction form
    274,393.02/378,209.43 = 183,716.94/x
  3. Step 3: Cross multiply
    274,393.02x = 378,209.43 × 183,716.94
  4. Step 4: Simplify right side
    274,393.02x = 69,483,479,158.74
  5. Step 5: Solve for x
    x = 69,483,479,158.74/274,393.02
  6. Step 6: Final answer
    x = 253,226.12

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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.