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Finding the Fourth Proportional to 325,851.40, 488,558.40 and 157,452.40

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Solution

The fourth proportional to 325,851.40, 488,558.40 and 157,452.40 is: 236,072.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,851.40 : 488,558.40 = 157,452.40 : x
  2. Step 2: Convert to fraction form
    325,851.40/488,558.40 = 157,452.40/x
  3. Step 3: Cross multiply
    325,851.40x = 488,558.40 × 157,452.40
  4. Step 4: Simplify right side
    325,851.40x = 76,924,692,620.16
  5. Step 5: Solve for x
    x = 76,924,692,620.16/325,851.40
  6. Step 6: Final answer
    x = 236,072.92

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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.