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Finding the Fourth Proportional to 303,725.37, 419,145.42 and 176,400.96

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Solution

The fourth proportional to 303,725.37, 419,145.42 and 176,400.96 is: 243,435.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,725.37 : 419,145.42 = 176,400.96 : x
  2. Step 2: Convert to fraction form
    303,725.37/419,145.42 = 176,400.96/x
  3. Step 3: Cross multiply
    303,725.37x = 419,145.42 × 176,400.96
  4. Step 4: Simplify right side
    303,725.37x = 73,937,654,467.60
  5. Step 5: Solve for x
    x = 73,937,654,467.60/303,725.37
  6. Step 6: Final answer
    x = 243,435.89

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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.