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Finding the Fourth Proportional to 342,365.40, 513,936.90 and 184,512.60

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Solution

The fourth proportional to 342,365.40, 513,936.90 and 184,512.60 is: 276,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,365.40 : 513,936.90 = 184,512.60 : x
  2. Step 2: Convert to fraction form
    342,365.40/513,936.90 = 184,512.60/x
  3. Step 3: Cross multiply
    342,365.40x = 513,936.90 × 184,512.60
  4. Step 4: Simplify right side
    342,365.40x = 94,827,833,654.94
  5. Step 5: Solve for x
    x = 94,827,833,654.94/342,365.40
  6. Step 6: Final answer
    x = 276,978.44

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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.