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Finding the Fourth Proportional to 322,905.70, 483,206.55 and 204,633.70

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Solution

The fourth proportional to 322,905.70, 483,206.55 and 204,633.70 is: 306,220.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,905.70 : 483,206.55 = 204,633.70 : x
  2. Step 2: Convert to fraction form
    322,905.70/483,206.55 = 204,633.70/x
  3. Step 3: Cross multiply
    322,905.70x = 483,206.55 × 204,633.70
  4. Step 4: Simplify right side
    322,905.70x = 98,880,344,190.74
  5. Step 5: Solve for x
    x = 98,880,344,190.74/322,905.70
  6. Step 6: Final answer
    x = 306,220.50

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1.5x scale

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.