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Finding the Fourth Proportional to 273,808, 377,855.04 and 154,576

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Solution

The fourth proportional to 273,808, 377,855.04 and 154,576 is: 213,314.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,808 : 377,855.04 = 154,576 : x
  2. Step 2: Convert to fraction form
    273,808/377,855.04 = 154,576/x
  3. Step 3: Cross multiply
    273,808x = 377,855.04 × 154,576
  4. Step 4: Simplify right side
    273,808x = 58,407,320,663.04
  5. Step 5: Solve for x
    x = 58,407,320,663.04/273,808
  6. Step 6: Final answer
    x = 213,314.88

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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.