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Finding the Fourth Proportional to 381,704.04, 526,735.62 and 211,928.04

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Solution

The fourth proportional to 381,704.04, 526,735.62 and 211,928.04 is: 292,451.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,704.04 : 526,735.62 = 211,928.04 : x
  2. Step 2: Convert to fraction form
    381,704.04/526,735.62 = 211,928.04/x
  3. Step 3: Cross multiply
    381,704.04x = 526,735.62 × 211,928.04
  4. Step 4: Simplify right side
    381,704.04x = 111,630,047,544.79
  5. Step 5: Solve for x
    x = 111,630,047,544.79/381,704.04
  6. Step 6: Final answer
    x = 292,451.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.