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Finding the Fourth Proportional to 328,674.58, 453,570.94 and 177,771.58

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Solution

The fourth proportional to 328,674.58, 453,570.94 and 177,771.58 is: 245,324.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,674.58 : 453,570.94 = 177,771.58 : x
  2. Step 2: Convert to fraction form
    328,674.58/453,570.94 = 177,771.58/x
  3. Step 3: Cross multiply
    328,674.58x = 453,570.94 × 177,771.58
  4. Step 4: Simplify right side
    328,674.58x = 80,632,022,645.89
  5. Step 5: Solve for x
    x = 80,632,022,645.89/328,674.58
  6. Step 6: Final answer
    x = 245,324.79

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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.