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Finding the Fourth Proportional to 273,890.80, 411,258.60 and 149,474.80

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Solution

The fourth proportional to 273,890.80, 411,258.60 and 149,474.80 is: 224,442.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,890.80 : 411,258.60 = 149,474.80 : x
  2. Step 2: Convert to fraction form
    273,890.80/411,258.60 = 149,474.80/x
  3. Step 3: Cross multiply
    273,890.80x = 411,258.60 × 149,474.80
  4. Step 4: Simplify right side
    273,890.80x = 61,472,796,983.28
  5. Step 5: Solve for x
    x = 61,472,796,983.28/273,890.80
  6. Step 6: Final answer
    x = 224,442.72

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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.