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Finding the Fourth Proportional to 446,162.56, 669,194.86 and 130,622.56

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Solution

The fourth proportional to 446,162.56, 669,194.86 and 130,622.56 is: 195,919.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,162.56 : 669,194.86 = 130,622.56 : x
  2. Step 2: Convert to fraction form
    446,162.56/669,194.86 = 130,622.56/x
  3. Step 3: Cross multiply
    446,162.56x = 669,194.86 × 130,622.56
  4. Step 4: Simplify right side
    446,162.56x = 87,411,945,752.04
  5. Step 5: Solve for x
    x = 87,411,945,752.04/446,162.56
  6. Step 6: Final answer
    x = 195,919.50

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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.