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Finding the Fourth Proportional to 325,532, 488,301.04 and 115,205.60

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Solution

The fourth proportional to 325,532, 488,301.04 and 115,205.60 is: 172,809.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,532 : 488,301.04 = 115,205.60 : x
  2. Step 2: Convert to fraction form
    325,532/488,301.04 = 115,205.60/x
  3. Step 3: Cross multiply
    325,532x = 488,301.04 × 115,205.60
  4. Step 4: Simplify right side
    325,532x = 56,255,014,293.82
  5. Step 5: Solve for x
    x = 56,255,014,293.82/325,532
  6. Step 6: Final answer
    x = 172,809.48

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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.