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Finding the Fourth Proportional to 268,396.40, 402,594.60 and 179,922.80

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Solution

The fourth proportional to 268,396.40, 402,594.60 and 179,922.80 is: 269,884.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,396.40 : 402,594.60 = 179,922.80 : x
  2. Step 2: Convert to fraction form
    268,396.40/402,594.60 = 179,922.80/x
  3. Step 3: Cross multiply
    268,396.40x = 402,594.60 × 179,922.80
  4. Step 4: Simplify right side
    268,396.40x = 72,435,947,696.88
  5. Step 5: Solve for x
    x = 72,435,947,696.88/268,396.40
  6. Step 6: Final answer
    x = 269,884.20

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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.