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Finding the Fourth Proportional to 464,993.30, 641,614.34 and 273,980.72

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Solution

The fourth proportional to 464,993.30, 641,614.34 and 273,980.72 is: 378,048.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,993.30 : 641,614.34 = 273,980.72 : x
  2. Step 2: Convert to fraction form
    464,993.30/641,614.34 = 273,980.72/x
  3. Step 3: Cross multiply
    464,993.30x = 641,614.34 × 273,980.72
  4. Step 4: Simplify right side
    464,993.30x = 175,789,958,835.53
  5. Step 5: Solve for x
    x = 175,789,958,835.53/464,993.30
  6. Step 6: Final answer
    x = 378,048.37

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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.