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Finding the Fourth Proportional to 328,576, 453,435.04 and 177,672.96

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Solution

The fourth proportional to 328,576, 453,435.04 and 177,672.96 is: 245,188.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,576 : 453,435.04 = 177,672.96 : x
  2. Step 2: Convert to fraction form
    328,576/453,435.04 = 177,672.96/x
  3. Step 3: Cross multiply
    328,576x = 453,435.04 × 177,672.96
  4. Step 4: Simplify right side
    328,576x = 80,563,145,724.52
  5. Step 5: Solve for x
    x = 80,563,145,724.52/328,576
  6. Step 6: Final answer
    x = 245,188.77

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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.