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Finding the Fourth Proportional to 328,584.52, 453,446.50 and 177,681.52

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Solution

The fourth proportional to 328,584.52, 453,446.50 and 177,681.52 is: 245,200.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,584.52 : 453,446.50 = 177,681.52 : x
  2. Step 2: Convert to fraction form
    328,584.52/453,446.50 = 177,681.52/x
  3. Step 3: Cross multiply
    328,584.52x = 453,446.50 × 177,681.52
  4. Step 4: Simplify right side
    328,584.52x = 80,569,063,358.68
  5. Step 5: Solve for x
    x = 80,569,063,358.68/328,584.52
  6. Step 6: Final answer
    x = 245,200.42

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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.