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Finding the Fourth Proportional to 343,902.76, 474,600.62 and 190,940.95

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Solution

The fourth proportional to 343,902.76, 474,600.62 and 190,940.95 is: 263,506.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,902.76 : 474,600.62 = 190,940.95 : x
  2. Step 2: Convert to fraction form
    343,902.76/474,600.62 = 190,940.95/x
  3. Step 3: Cross multiply
    343,902.76x = 474,600.62 × 190,940.95
  4. Step 4: Simplify right side
    343,902.76x = 90,620,693,253.39
  5. Step 5: Solve for x
    x = 90,620,693,253.39/343,902.76
  6. Step 6: Final answer
    x = 263,506.74

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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.