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Finding the Fourth Proportional to 325,383.63, 449,004.81 and 180,188.70

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Solution

The fourth proportional to 325,383.63, 449,004.81 and 180,188.70 is: 248,646.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,383.63 : 449,004.81 = 180,188.70 : x
  2. Step 2: Convert to fraction form
    325,383.63/449,004.81 = 180,188.70/x
  3. Step 3: Cross multiply
    325,383.63x = 449,004.81 × 180,188.70
  4. Step 4: Simplify right side
    325,383.63x = 80,905,592,106.70
  5. Step 5: Solve for x
    x = 80,905,592,106.70/325,383.63
  6. Step 6: Final answer
    x = 248,646.78

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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.