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Finding the Fourth Proportional to 232,489.60, 348,734.40 and 218,492.80

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Solution

The fourth proportional to 232,489.60, 348,734.40 and 218,492.80 is: 327,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,489.60 : 348,734.40 = 218,492.80 : x
  2. Step 2: Convert to fraction form
    232,489.60/348,734.40 = 218,492.80/x
  3. Step 3: Cross multiply
    232,489.60x = 348,734.40 × 218,492.80
  4. Step 4: Simplify right side
    232,489.60x = 76,195,955,512.32
  5. Step 5: Solve for x
    x = 76,195,955,512.32/232,489.60
  6. Step 6: Final answer
    x = 327,739.20

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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.