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Finding the Fourth Proportional to 344,223.87, 474,896.28 and 253,794.45

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Solution

The fourth proportional to 344,223.87, 474,896.28 and 253,794.45 is: 350,138.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,223.87 : 474,896.28 = 253,794.45 : x
  2. Step 2: Convert to fraction form
    344,223.87/474,896.28 = 253,794.45/x
  3. Step 3: Cross multiply
    344,223.87x = 474,896.28 × 253,794.45
  4. Step 4: Simplify right side
    344,223.87x = 120,526,040,189.65
  5. Step 5: Solve for x
    x = 120,526,040,189.65/344,223.87
  6. Step 6: Final answer
    x = 350,138.53

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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.