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Finding the Fourth Proportional to 325,848.60, 488,991.60 and 192,587.40

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Solution

The fourth proportional to 325,848.60, 488,991.60 and 192,587.40 is: 289,010.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,848.60 : 488,991.60 = 192,587.40 : x
  2. Step 2: Convert to fraction form
    325,848.60/488,991.60 = 192,587.40/x
  3. Step 3: Cross multiply
    325,848.60x = 488,991.60 × 192,587.40
  4. Step 4: Simplify right side
    325,848.60x = 94,173,620,865.84
  5. Step 5: Solve for x
    x = 94,173,620,865.84/325,848.60
  6. Step 6: Final answer
    x = 289,010.36

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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.