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Finding the Fourth Proportional to 343,796.30, 515,800.03 and 164,111.01

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Solution

The fourth proportional to 343,796.30, 515,800.03 and 164,111.01 is: 246,216.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,796.30 : 515,800.03 = 164,111.01 : x
  2. Step 2: Convert to fraction form
    343,796.30/515,800.03 = 164,111.01/x
  3. Step 3: Cross multiply
    343,796.30x = 515,800.03 × 164,111.01
  4. Step 4: Simplify right side
    343,796.30x = 84,648,463,060.78
  5. Step 5: Solve for x
    x = 84,648,463,060.78/343,796.30
  6. Step 6: Final answer
    x = 246,216.91

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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.