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Finding the Fourth Proportional to 446,891.20, 670,336.80 and 166,350.40

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Solution

The fourth proportional to 446,891.20, 670,336.80 and 166,350.40 is: 249,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,891.20 : 670,336.80 = 166,350.40 : x
  2. Step 2: Convert to fraction form
    446,891.20/670,336.80 = 166,350.40/x
  3. Step 3: Cross multiply
    446,891.20x = 670,336.80 × 166,350.40
  4. Step 4: Simplify right side
    446,891.20x = 111,510,794,814.72
  5. Step 5: Solve for x
    x = 111,510,794,814.72/446,891.20
  6. Step 6: Final answer
    x = 249,525.60

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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.