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Finding the Fourth Proportional to 328,586.85, 453,450.33 and 177,683.85

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Solution

The fourth proportional to 328,586.85, 453,450.33 and 177,683.85 is: 245,203.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,586.85 : 453,450.33 = 177,683.85 : x
  2. Step 2: Convert to fraction form
    328,586.85/453,450.33 = 177,683.85/x
  3. Step 3: Cross multiply
    328,586.85x = 453,450.33 × 177,683.85
  4. Step 4: Simplify right side
    328,586.85x = 80,570,800,418.17
  5. Step 5: Solve for x
    x = 80,570,800,418.17/328,586.85
  6. Step 6: Final answer
    x = 245,203.97

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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.