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Finding the Fourth Proportional to 664,379.34, 916,843.24 and 362,573.34

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Solution

The fourth proportional to 664,379.34, 916,843.24 and 362,573.34 is: 500,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,379.34 : 916,843.24 = 362,573.34 : x
  2. Step 2: Convert to fraction form
    664,379.34/916,843.24 = 362,573.34/x
  3. Step 3: Cross multiply
    664,379.34x = 916,843.24 × 362,573.34
  4. Step 4: Simplify right side
    664,379.34x = 332,422,915,783.22
  5. Step 5: Solve for x
    x = 332,422,915,783.22/664,379.34
  6. Step 6: Final answer
    x = 500,351.07

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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.