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Finding the Fourth Proportional to 343,902.75, 474,600.61 and 190,940.94

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Solution

The fourth proportional to 343,902.75, 474,600.61 and 190,940.94 is: 263,506.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,902.75 : 474,600.61 = 190,940.94 : x
  2. Step 2: Convert to fraction form
    343,902.75/474,600.61 = 190,940.94/x
  3. Step 3: Cross multiply
    343,902.75x = 474,600.61 × 190,940.94
  4. Step 4: Simplify right side
    343,902.75x = 90,620,688,616.40
  5. Step 5: Solve for x
    x = 90,620,688,616.40/343,902.75
  6. Step 6: Final answer
    x = 263,506.73

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1.5x scale

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.