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Finding the Fourth Proportional to 343,035.82, 515,024.99 and 174,669.22

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Solution

The fourth proportional to 343,035.82, 515,024.99 and 174,669.22 is: 262,243.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,035.82 : 515,024.99 = 174,669.22 : x
  2. Step 2: Convert to fraction form
    343,035.82/515,024.99 = 174,669.22/x
  3. Step 3: Cross multiply
    343,035.82x = 515,024.99 × 174,669.22
  4. Step 4: Simplify right side
    343,035.82x = 89,959,009,835.34
  5. Step 5: Solve for x
    x = 89,959,009,835.34/343,035.82
  6. Step 6: Final answer
    x = 262,243.78

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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.