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Finding the Fourth Proportional to 322,774.85, 486,579.69 and 301,098.92

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Solution

The fourth proportional to 322,774.85, 486,579.69 and 301,098.92 is: 453,903.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,774.85 : 486,579.69 = 301,098.92 : x
  2. Step 2: Convert to fraction form
    322,774.85/486,579.69 = 301,098.92/x
  3. Step 3: Cross multiply
    322,774.85x = 486,579.69 × 301,098.92
  4. Step 4: Simplify right side
    322,774.85x = 146,508,616,720.04
  5. Step 5: Solve for x
    x = 146,508,616,720.04/322,774.85
  6. Step 6: Final answer
    x = 453,903.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.