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Finding the Fourth Proportional to 343,511.41, 515,018.00 and 230,912.35

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Solution

The fourth proportional to 343,511.41, 515,018.00 and 230,912.35 is: 346,201.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,511.41 : 515,018.00 = 230,912.35 : x
  2. Step 2: Convert to fraction form
    343,511.41/515,018.00 = 230,912.35/x
  3. Step 3: Cross multiply
    343,511.41x = 515,018.00 × 230,912.35
  4. Step 4: Simplify right side
    343,511.41x = 118,924,015,312.60
  5. Step 5: Solve for x
    x = 118,924,015,312.60/343,511.41
  6. Step 6: Final answer
    x = 346,201.06

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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.