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Finding the Fourth Proportional to 322,269.56, 483,404.48 and 122,543.80

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Solution

The fourth proportional to 322,269.56, 483,404.48 and 122,543.80 is: 183,815.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,269.56 : 483,404.48 = 122,543.80 : x
  2. Step 2: Convert to fraction form
    322,269.56/483,404.48 = 122,543.80/x
  3. Step 3: Cross multiply
    322,269.56x = 483,404.48 × 122,543.80
  4. Step 4: Simplify right side
    322,269.56x = 59,238,221,916.22
  5. Step 5: Solve for x
    x = 59,238,221,916.22/322,269.56
  6. Step 6: Final answer
    x = 183,815.75

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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.