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Finding the Fourth Proportional to 325,734.40, 488,174.08 and 236,078.08

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Solution

The fourth proportional to 325,734.40, 488,174.08 and 236,078.08 is: 353,807.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,734.40 : 488,174.08 = 236,078.08 : x
  2. Step 2: Convert to fraction form
    325,734.40/488,174.08 = 236,078.08/x
  3. Step 3: Cross multiply
    325,734.40x = 488,174.08 × 236,078.08
  4. Step 4: Simplify right side
    325,734.40x = 115,247,199,512.17
  5. Step 5: Solve for x
    x = 115,247,199,512.17/325,734.40
  6. Step 6: Final answer
    x = 353,807.27

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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.