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Finding the Fourth Proportional to 329,067.60, 493,601.40 and 118,856.40

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Solution

The fourth proportional to 329,067.60, 493,601.40 and 118,856.40 is: 178,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,067.60 : 493,601.40 = 118,856.40 : x
  2. Step 2: Convert to fraction form
    329,067.60/493,601.40 = 118,856.40/x
  3. Step 3: Cross multiply
    329,067.60x = 493,601.40 × 118,856.40
  4. Step 4: Simplify right side
    329,067.60x = 58,667,685,438.96
  5. Step 5: Solve for x
    x = 58,667,685,438.96/329,067.60
  6. Step 6: Final answer
    x = 178,284.60

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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.