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Finding the Fourth Proportional to 232,936.40, 348,540.60 and 170,728.40

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Solution

The fourth proportional to 232,936.40, 348,540.60 and 170,728.40 is: 255,459.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,936.40 : 348,540.60 = 170,728.40 : x
  2. Step 2: Convert to fraction form
    232,936.40/348,540.60 = 170,728.40/x
  3. Step 3: Cross multiply
    232,936.40x = 348,540.60 × 170,728.40
  4. Step 4: Simplify right side
    232,936.40x = 59,505,778,973.04
  5. Step 5: Solve for x
    x = 59,505,778,973.04/232,936.40
  6. Step 6: Final answer
    x = 255,459.34

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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.