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Finding the Fourth Proportional to 372,090.98, 557,494.54 and 203,732.48

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Solution

The fourth proportional to 372,090.98, 557,494.54 and 203,732.48 is: 305,247.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,090.98 : 557,494.54 = 203,732.48 : x
  2. Step 2: Convert to fraction form
    372,090.98/557,494.54 = 203,732.48/x
  3. Step 3: Cross multiply
    372,090.98x = 557,494.54 × 203,732.48
  4. Step 4: Simplify right side
    372,090.98x = 113,579,746,105.06
  5. Step 5: Solve for x
    x = 113,579,746,105.06/372,090.98
  6. Step 6: Final answer
    x = 305,247.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.