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Finding the Fourth Proportional to 446,844.60, 670,385.70 and 194,016.60

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Solution

The fourth proportional to 446,844.60, 670,385.70 and 194,016.60 is: 291,076.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,844.60 : 670,385.70 = 194,016.60 : x
  2. Step 2: Convert to fraction form
    446,844.60/670,385.70 = 194,016.60/x
  3. Step 3: Cross multiply
    446,844.60x = 670,385.70 × 194,016.60
  4. Step 4: Simplify right side
    446,844.60x = 130,065,954,202.62
  5. Step 5: Solve for x
    x = 130,065,954,202.62/446,844.60
  6. Step 6: Final answer
    x = 291,076.48

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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.