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Finding the Fourth Proportional to 273,290.36, 377,141.36 and 152,439.48

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Solution

The fourth proportional to 273,290.36, 377,141.36 and 152,439.48 is: 210,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,290.36 : 377,141.36 = 152,439.48 : x
  2. Step 2: Convert to fraction form
    273,290.36/377,141.36 = 152,439.48/x
  3. Step 3: Cross multiply
    273,290.36x = 377,141.36 × 152,439.48
  4. Step 4: Simplify right side
    273,290.36x = 57,491,232,042.70
  5. Step 5: Solve for x
    x = 57,491,232,042.70/273,290.36
  6. Step 6: Final answer
    x = 210,366.85

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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.