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Finding the Fourth Proportional to 325,568.40, 488,352.60 and 115,227.60

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Solution

The fourth proportional to 325,568.40, 488,352.60 and 115,227.60 is: 172,841.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,568.40 : 488,352.60 = 115,227.60 : x
  2. Step 2: Convert to fraction form
    325,568.40/488,352.60 = 115,227.60/x
  3. Step 3: Cross multiply
    325,568.40x = 488,352.60 × 115,227.60
  4. Step 4: Simplify right side
    325,568.40x = 56,271,698,051.76
  5. Step 5: Solve for x
    x = 56,271,698,051.76/325,568.40
  6. Step 6: Final answer
    x = 172,841.40

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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.