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Finding the Fourth Proportional to 325,348.44, 488,337.75 and 156,987.15

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Solution

The fourth proportional to 325,348.44, 488,337.75 and 156,987.15 is: 235,632.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,348.44 : 488,337.75 = 156,987.15 : x
  2. Step 2: Convert to fraction form
    325,348.44/488,337.75 = 156,987.15/x
  3. Step 3: Cross multiply
    325,348.44x = 488,337.75 × 156,987.15
  4. Step 4: Simplify right side
    325,348.44x = 76,662,751,609.91
  5. Step 5: Solve for x
    x = 76,662,751,609.91/325,348.44
  6. Step 6: Final answer
    x = 235,632.76

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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.