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Finding the Fourth Proportional to 325,534, 488,304.04 and 115,207.60

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Solution

The fourth proportional to 325,534, 488,304.04 and 115,207.60 is: 172,812.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,534 : 488,304.04 = 115,207.60 : x
  2. Step 2: Convert to fraction form
    325,534/488,304.04 = 115,207.60/x
  3. Step 3: Cross multiply
    325,534x = 488,304.04 × 115,207.60
  4. Step 4: Simplify right side
    325,534x = 56,256,336,518.70
  5. Step 5: Solve for x
    x = 56,256,336,518.70/325,534
  6. Step 6: Final answer
    x = 172,812.48

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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.