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Finding the Fourth Proportional to 228,717.60, 343,270.80 and 184,394.40

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Solution

The fourth proportional to 228,717.60, 343,270.80 and 184,394.40 is: 276,748.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,717.60 : 343,270.80 = 184,394.40 : x
  2. Step 2: Convert to fraction form
    228,717.60/343,270.80 = 184,394.40/x
  3. Step 3: Cross multiply
    228,717.60x = 343,270.80 × 184,394.40
  4. Step 4: Simplify right side
    228,717.60x = 63,297,213,203.52
  5. Step 5: Solve for x
    x = 63,297,213,203.52/228,717.60
  6. Step 6: Final answer
    x = 276,748.33

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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.