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Finding the Fourth Proportional to 325,536.70, 488,232.15 and 213,999.70

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Solution

The fourth proportional to 325,536.70, 488,232.15 and 213,999.70 is: 320,951.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,536.70 : 488,232.15 = 213,999.70 : x
  2. Step 2: Convert to fraction form
    325,536.70/488,232.15 = 213,999.70/x
  3. Step 3: Cross multiply
    325,536.70x = 488,232.15 × 213,999.70
  4. Step 4: Simplify right side
    325,536.70x = 104,481,533,630.36
  5. Step 5: Solve for x
    x = 104,481,533,630.36/325,536.70
  6. Step 6: Final answer
    x = 320,951.63

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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.