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Finding the Fourth Proportional to 328,136.42, 452,828.57 and 177,233.42

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Solution

The fourth proportional to 328,136.42, 452,828.57 and 177,233.42 is: 244,582.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,136.42 : 452,828.57 = 177,233.42 : x
  2. Step 2: Convert to fraction form
    328,136.42/452,828.57 = 177,233.42/x
  3. Step 3: Cross multiply
    328,136.42x = 452,828.57 × 177,233.42
  4. Step 4: Simplify right side
    328,136.42x = 80,256,355,248.64
  5. Step 5: Solve for x
    x = 80,256,355,248.64/328,136.42
  6. Step 6: Final answer
    x = 244,582.28

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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.