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Finding the Fourth Proportional to 325,292.42, 488,105.41 and 156,956.30

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Solution

The fourth proportional to 325,292.42, 488,105.41 and 156,956.30 is: 235,514.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,292.42 : 488,105.41 = 156,956.30 : x
  2. Step 2: Convert to fraction form
    325,292.42/488,105.41 = 156,956.30/x
  3. Step 3: Cross multiply
    325,292.42x = 488,105.41 × 156,956.30
  4. Step 4: Simplify right side
    325,292.42x = 76,611,219,163.58
  5. Step 5: Solve for x
    x = 76,611,219,163.58/325,292.42
  6. Step 6: Final answer
    x = 235,514.92

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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.