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Finding the Fourth Proportional to 495,185.58, 682,657.92 and 351,893.34

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Solution

The fourth proportional to 495,185.58, 682,657.92 and 351,893.34 is: 485,116.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,185.58 : 682,657.92 = 351,893.34 : x
  2. Step 2: Convert to fraction form
    495,185.58/682,657.92 = 351,893.34/x
  3. Step 3: Cross multiply
    495,185.58x = 682,657.92 × 351,893.34
  4. Step 4: Simplify right side
    495,185.58x = 240,222,775,546.25
  5. Step 5: Solve for x
    x = 240,222,775,546.25/495,185.58
  6. Step 6: Final answer
    x = 485,116.66

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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.