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Finding the Fourth Proportional to 446,859.66, 670,289.63 and 131,316.60

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Solution

The fourth proportional to 446,859.66, 670,289.63 and 131,316.60 is: 196,974.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,859.66 : 670,289.63 = 131,316.60 : x
  2. Step 2: Convert to fraction form
    446,859.66/670,289.63 = 131,316.60/x
  3. Step 3: Cross multiply
    446,859.66x = 670,289.63 × 131,316.60
  4. Step 4: Simplify right side
    446,859.66x = 88,020,155,226.86
  5. Step 5: Solve for x
    x = 88,020,155,226.86/446,859.66
  6. Step 6: Final answer
    x = 196,974.94

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Similar ratio
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1.5x scale

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.