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Finding the Fourth Proportional to 228,728.10, 343,286.55 and 184,404.90

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Solution

The fourth proportional to 228,728.10, 343,286.55 and 184,404.90 is: 276,764.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,728.10 : 343,286.55 = 184,404.90 : x
  2. Step 2: Convert to fraction form
    228,728.10/343,286.55 = 184,404.90/x
  3. Step 3: Cross multiply
    228,728.10x = 343,286.55 × 184,404.90
  4. Step 4: Simplify right side
    228,728.10x = 63,303,721,924.10
  5. Step 5: Solve for x
    x = 63,303,721,924.10/228,728.10
  6. Step 6: Final answer
    x = 276,764.08

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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.