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Finding the Fourth Proportional to 365,061.12, 503,769.60 and 203,913.60

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Solution

The fourth proportional to 365,061.12, 503,769.60 and 203,913.60 is: 281,392.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,061.12 : 503,769.60 = 203,913.60 : x
  2. Step 2: Convert to fraction form
    365,061.12/503,769.60 = 203,913.60/x
  3. Step 3: Cross multiply
    365,061.12x = 503,769.60 × 203,913.60
  4. Step 4: Simplify right side
    365,061.12x = 102,725,472,706.56
  5. Step 5: Solve for x
    x = 102,725,472,706.56/365,061.12
  6. Step 6: Final answer
    x = 281,392.53

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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.