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Finding the Fourth Proportional to 325,443, 488,911.26 and 230,906.28

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Solution

The fourth proportional to 325,443, 488,911.26 and 230,906.28 is: 346,889.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,443 : 488,911.26 = 230,906.28 : x
  2. Step 2: Convert to fraction form
    325,443/488,911.26 = 230,906.28/x
  3. Step 3: Cross multiply
    325,443x = 488,911.26 × 230,906.28
  4. Step 4: Simplify right side
    325,443x = 112,892,680,296.71
  5. Step 5: Solve for x
    x = 112,892,680,296.71/325,443
  6. Step 6: Final answer
    x = 346,889.26

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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.