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Finding the Fourth Proportional to 328,194, 452,907.72 and 177,291

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Solution

The fourth proportional to 328,194, 452,907.72 and 177,291 is: 244,661.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,194 : 452,907.72 = 177,291 : x
  2. Step 2: Convert to fraction form
    328,194/452,907.72 = 177,291/x
  3. Step 3: Cross multiply
    328,194x = 452,907.72 × 177,291
  4. Step 4: Simplify right side
    328,194x = 80,296,462,586.52
  5. Step 5: Solve for x
    x = 80,296,462,586.52/328,194
  6. Step 6: Final answer
    x = 244,661.58

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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.