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Finding the Fourth Proportional to 325,673.30, 488,486.54 and 101,027.90

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Solution

The fourth proportional to 325,673.30, 488,486.54 and 101,027.90 is: 151,534.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,673.30 : 488,486.54 = 101,027.90 : x
  2. Step 2: Convert to fraction form
    325,673.30/488,486.54 = 101,027.90/x
  3. Step 3: Cross multiply
    325,673.30x = 488,486.54 × 101,027.90
  4. Step 4: Simplify right side
    325,673.30x = 49,350,769,314.47
  5. Step 5: Solve for x
    x = 49,350,769,314.47/325,673.30
  6. Step 6: Final answer
    x = 151,534.59

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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.