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Finding the Fourth Proportional to 328,188, 452,899.44 and 177,285

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Solution

The fourth proportional to 328,188, 452,899.44 and 177,285 is: 244,653.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,188 : 452,899.44 = 177,285 : x
  2. Step 2: Convert to fraction form
    328,188/452,899.44 = 177,285/x
  3. Step 3: Cross multiply
    328,188x = 452,899.44 × 177,285
  4. Step 4: Simplify right side
    328,188x = 80,292,277,220.40
  5. Step 5: Solve for x
    x = 80,292,277,220.40/328,188
  6. Step 6: Final answer
    x = 244,653.30

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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.