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Finding the Fourth Proportional to 328,427.32, 453,229.60 and 177,524.32

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Solution

The fourth proportional to 328,427.32, 453,229.60 and 177,524.32 is: 244,983.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,427.32 : 453,229.60 = 177,524.32 : x
  2. Step 2: Convert to fraction form
    328,427.32/453,229.60 = 177,524.32/x
  3. Step 3: Cross multiply
    328,427.32x = 453,229.60 × 177,524.32
  4. Step 4: Simplify right side
    328,427.32x = 80,459,276,543.87
  5. Step 5: Solve for x
    x = 80,459,276,543.87/328,427.32
  6. Step 6: Final answer
    x = 244,983.51

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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.