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Finding the Fourth Proportional to 328,136.57, 452,828.76 and 177,233.57

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Solution

The fourth proportional to 328,136.57, 452,828.76 and 177,233.57 is: 244,582.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,136.57 : 452,828.76 = 177,233.57 : x
  2. Step 2: Convert to fraction form
    328,136.57/452,828.76 = 177,233.57/x
  3. Step 3: Cross multiply
    328,136.57x = 452,828.76 × 177,233.57
  4. Step 4: Simplify right side
    328,136.57x = 80,256,455,469.33
  5. Step 5: Solve for x
    x = 80,256,455,469.33/328,136.57
  6. Step 6: Final answer
    x = 244,582.48

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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.