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Finding the Fourth Proportional to 328,427.42, 453,229.53 and 177,524.42

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Solution

The fourth proportional to 328,427.42, 453,229.53 and 177,524.42 is: 244,983.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,427.42 : 453,229.53 = 177,524.42 : x
  2. Step 2: Convert to fraction form
    328,427.42/453,229.53 = 177,524.42/x
  3. Step 3: Cross multiply
    328,427.42x = 453,229.53 × 177,524.42
  4. Step 4: Simplify right side
    328,427.42x = 80,459,307,173.98
  5. Step 5: Solve for x
    x = 80,459,307,173.98/328,427.42
  6. Step 6: Final answer
    x = 244,983.53

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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.