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Finding the Fourth Proportional to 328,656.56, 453,546.09 and 177,753.56

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Solution

The fourth proportional to 328,656.56, 453,546.09 and 177,753.56 is: 245,299.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,656.56 : 453,546.09 = 177,753.56 : x
  2. Step 2: Convert to fraction form
    328,656.56/453,546.09 = 177,753.56/x
  3. Step 3: Cross multiply
    328,656.56x = 453,546.09 × 177,753.56
  4. Step 4: Simplify right side
    328,656.56x = 80,619,433,255.45
  5. Step 5: Solve for x
    x = 80,619,433,255.45/328,656.56
  6. Step 6: Final answer
    x = 245,299.93

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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.