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Finding the Fourth Proportional to 322,483.70, 483,725.55 and 293,453.30

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Solution

The fourth proportional to 322,483.70, 483,725.55 and 293,453.30 is: 440,179.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,483.70 : 483,725.55 = 293,453.30 : x
  2. Step 2: Convert to fraction form
    322,483.70/483,725.55 = 293,453.30/x
  3. Step 3: Cross multiply
    322,483.70x = 483,725.55 × 293,453.30
  4. Step 4: Simplify right side
    322,483.70x = 141,950,858,941.82
  5. Step 5: Solve for x
    x = 141,950,858,941.82/322,483.70
  6. Step 6: Final answer
    x = 440,179.95

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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.