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Finding the Fourth Proportional to 446,164.56, 669,197.86 and 130,624.56

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Solution

The fourth proportional to 446,164.56, 669,197.86 and 130,624.56 is: 195,922.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,164.56 : 669,197.86 = 130,624.56 : x
  2. Step 2: Convert to fraction form
    446,164.56/669,197.86 = 130,624.56/x
  3. Step 3: Cross multiply
    446,164.56x = 669,197.86 × 130,624.56
  4. Step 4: Simplify right side
    446,164.56x = 87,413,676,015.44
  5. Step 5: Solve for x
    x = 87,413,676,015.44/446,164.56
  6. Step 6: Final answer
    x = 195,922.50

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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.