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Finding the Fourth Proportional to 383,628.32, 575,797.39 and 194,221.76

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Solution

The fourth proportional to 383,628.32, 575,797.39 and 194,221.76 is: 291,512.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,628.32 : 575,797.39 = 194,221.76 : x
  2. Step 2: Convert to fraction form
    383,628.32/575,797.39 = 194,221.76/x
  3. Step 3: Cross multiply
    383,628.32x = 575,797.39 × 194,221.76
  4. Step 4: Simplify right side
    383,628.32x = 111,832,383,443.15
  5. Step 5: Solve for x
    x = 111,832,383,443.15/383,628.32
  6. Step 6: Final answer
    x = 291,512.33

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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.