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Finding the Fourth Proportional to 446,865.72, 670,087.44 and 162,357.96

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Solution

The fourth proportional to 446,865.72, 670,087.44 and 162,357.96 is: 243,460.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,865.72 : 670,087.44 = 162,357.96 : x
  2. Step 2: Convert to fraction form
    446,865.72/670,087.44 = 162,357.96/x
  3. Step 3: Cross multiply
    446,865.72x = 670,087.44 × 162,357.96
  4. Step 4: Simplify right side
    446,865.72x = 108,794,029,780.02
  5. Step 5: Solve for x
    x = 108,794,029,780.02/446,865.72
  6. Step 6: Final answer
    x = 243,460.23

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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.