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Finding the Fourth Proportional to 322,246.90, 483,370.35 and 204,051.70

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Solution

The fourth proportional to 322,246.90, 483,370.35 and 204,051.70 is: 306,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,246.90 : 483,370.35 = 204,051.70 : x
  2. Step 2: Convert to fraction form
    322,246.90/483,370.35 = 204,051.70/x
  3. Step 3: Cross multiply
    322,246.90x = 483,370.35 × 204,051.70
  4. Step 4: Simplify right side
    322,246.90x = 98,632,541,647.10
  5. Step 5: Solve for x
    x = 98,632,541,647.10/322,246.90
  6. Step 6: Final answer
    x = 306,077.55

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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.