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Finding the Fourth Proportional to 299,858.48, 413,536.73 and 248,790.32

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Solution

The fourth proportional to 299,858.48, 413,536.73 and 248,790.32 is: 343,108.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,858.48 : 413,536.73 = 248,790.32 : x
  2. Step 2: Convert to fraction form
    299,858.48/413,536.73 = 248,790.32/x
  3. Step 3: Cross multiply
    299,858.48x = 413,536.73 × 248,790.32
  4. Step 4: Simplify right side
    299,858.48x = 102,883,935,388.45
  5. Step 5: Solve for x
    x = 102,883,935,388.45/299,858.48
  6. Step 6: Final answer
    x = 343,108.31

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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.