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Finding the Fourth Proportional to 222,609.80, 307,247.84 and 204,676.40

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Solution

The fourth proportional to 222,609.80, 307,247.84 and 204,676.40 is: 282,496.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,609.80 : 307,247.84 = 204,676.40 : x
  2. Step 2: Convert to fraction form
    222,609.80/307,247.84 = 204,676.40/x
  3. Step 3: Cross multiply
    222,609.80x = 307,247.84 × 204,676.40
  4. Step 4: Simplify right side
    222,609.80x = 62,886,381,798.98
  5. Step 5: Solve for x
    x = 62,886,381,798.98/222,609.80
  6. Step 6: Final answer
    x = 282,496.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.