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Finding the Fourth Proportional to 328,081.58, 452,752.54 and 177,178.58

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Solution

The fourth proportional to 328,081.58, 452,752.54 and 177,178.58 is: 244,506.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,081.58 : 452,752.54 = 177,178.58 : x
  2. Step 2: Convert to fraction form
    328,081.58/452,752.54 = 177,178.58/x
  3. Step 3: Cross multiply
    328,081.58x = 452,752.54 × 177,178.58
  4. Step 4: Simplify right side
    328,081.58x = 80,218,052,128.59
  5. Step 5: Solve for x
    x = 80,218,052,128.59/328,081.58
  6. Step 6: Final answer
    x = 244,506.42

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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.