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Finding the Fourth Proportional to 628,850.40, 943,202.70 and 179,640.60

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Solution

The fourth proportional to 628,850.40, 943,202.70 and 179,640.60 is: 269,440.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,850.40 : 943,202.70 = 179,640.60 : x
  2. Step 2: Convert to fraction form
    628,850.40/943,202.70 = 179,640.60/x
  3. Step 3: Cross multiply
    628,850.40x = 943,202.70 × 179,640.60
  4. Step 4: Simplify right side
    628,850.40x = 169,437,498,949.62
  5. Step 5: Solve for x
    x = 169,437,498,949.62/628,850.40
  6. Step 6: Final answer
    x = 269,440.08

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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.