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Finding the Fourth Proportional to 446,877.72, 670,105.44 and 162,369.96

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Solution

The fourth proportional to 446,877.72, 670,105.44 and 162,369.96 is: 243,478.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,877.72 : 670,105.44 = 162,369.96 : x
  2. Step 2: Convert to fraction form
    446,877.72/670,105.44 = 162,369.96/x
  3. Step 3: Cross multiply
    446,877.72x = 670,105.44 × 162,369.96
  4. Step 4: Simplify right side
    446,877.72x = 108,804,993,488.58
  5. Step 5: Solve for x
    x = 108,804,993,488.58/446,877.72
  6. Step 6: Final answer
    x = 243,478.22

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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.