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Finding the Fourth Proportional to 446,956.40, 670,855.94 and 162,921.48

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Solution

The fourth proportional to 446,956.40, 670,855.94 and 162,921.48 is: 244,535.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,956.40 : 670,855.94 = 162,921.48 : x
  2. Step 2: Convert to fraction form
    446,956.40/670,855.94 = 162,921.48/x
  3. Step 3: Cross multiply
    446,956.40x = 670,855.94 × 162,921.48
  4. Step 4: Simplify right side
    446,956.40x = 109,296,841,796.98
  5. Step 5: Solve for x
    x = 109,296,841,796.98/446,956.40
  6. Step 6: Final answer
    x = 244,535.80

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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.