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Finding the Fourth Proportional to 328,801.38, 453,745.92 and 177,898.38

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Solution

The fourth proportional to 328,801.38, 453,745.92 and 177,898.38 is: 245,499.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,801.38 : 453,745.92 = 177,898.38 : x
  2. Step 2: Convert to fraction form
    328,801.38/453,745.92 = 177,898.38/x
  3. Step 3: Cross multiply
    328,801.38x = 453,745.92 × 177,898.38
  4. Step 4: Simplify right side
    328,801.38x = 80,720,664,099.61
  5. Step 5: Solve for x
    x = 80,720,664,099.61/328,801.38
  6. Step 6: Final answer
    x = 245,499.77

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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.