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Finding the Fourth Proportional to 325,767.56, 488,657.82 and 214,159.64

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Solution

The fourth proportional to 325,767.56, 488,657.82 and 214,159.64 is: 321,243.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,767.56 : 488,657.82 = 214,159.64 : x
  2. Step 2: Convert to fraction form
    325,767.56/488,657.82 = 214,159.64/x
  3. Step 3: Cross multiply
    325,767.56x = 488,657.82 × 214,159.64
  4. Step 4: Simplify right side
    325,767.56x = 104,650,782,814.39
  5. Step 5: Solve for x
    x = 104,650,782,814.39/325,767.56
  6. Step 6: Final answer
    x = 321,243.72

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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.