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Finding the Fourth Proportional to 298,112.10, 446,584.95 and 179,430.90

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Solution

The fourth proportional to 298,112.10, 446,584.95 and 179,430.90 is: 268,795.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,112.10 : 446,584.95 = 179,430.90 : x
  2. Step 2: Convert to fraction form
    298,112.10/446,584.95 = 179,430.90/x
  3. Step 3: Cross multiply
    298,112.10x = 446,584.95 × 179,430.90
  4. Step 4: Simplify right side
    298,112.10x = 80,131,139,504.96
  5. Step 5: Solve for x
    x = 80,131,139,504.96/298,112.10
  6. Step 6: Final answer
    x = 268,795.33

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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.