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Finding the Fourth Proportional to 322,722.16, 445,389.24 and 184,919.34

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Solution

The fourth proportional to 322,722.16, 445,389.24 and 184,919.34 is: 255,207.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,722.16 : 445,389.24 = 184,919.34 : x
  2. Step 2: Convert to fraction form
    322,722.16/445,389.24 = 184,919.34/x
  3. Step 3: Cross multiply
    322,722.16x = 445,389.24 × 184,919.34
  4. Step 4: Simplify right side
    322,722.16x = 82,361,084,303.90
  5. Step 5: Solve for x
    x = 82,361,084,303.90/322,722.16
  6. Step 6: Final answer
    x = 255,207.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.