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Finding the Fourth Proportional to 446,888.22, 670,121.33 and 162,380.58

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Solution

The fourth proportional to 446,888.22, 670,121.33 and 162,380.58 is: 243,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,888.22 : 670,121.33 = 162,380.58 : x
  2. Step 2: Convert to fraction form
    446,888.22/670,121.33 = 162,380.58/x
  3. Step 3: Cross multiply
    446,888.22x = 670,121.33 × 162,380.58
  4. Step 4: Simplify right side
    446,888.22x = 108,814,689,423.87
  5. Step 5: Solve for x
    x = 108,814,689,423.87/446,888.22
  6. Step 6: Final answer
    x = 243,494.20

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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.