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Finding the Fourth Proportional to 365,164.80, 503,877.33 and 203,999.82

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Solution

The fourth proportional to 365,164.80, 503,877.33 and 203,999.82 is: 281,491.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,164.80 : 503,877.33 = 203,999.82 : x
  2. Step 2: Convert to fraction form
    365,164.80/503,877.33 = 203,999.82/x
  3. Step 3: Cross multiply
    365,164.80x = 503,877.33 × 203,999.82
  4. Step 4: Simplify right side
    365,164.80x = 102,790,884,622.08
  5. Step 5: Solve for x
    x = 102,790,884,622.08/365,164.80
  6. Step 6: Final answer
    x = 281,491.77

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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.