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Finding the Fourth Proportional to 343,585.44, 474,147 and 192,685.68

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Solution

The fourth proportional to 343,585.44, 474,147 and 192,685.68 is: 265,905.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,585.44 : 474,147 = 192,685.68 : x
  2. Step 2: Convert to fraction form
    343,585.44/474,147 = 192,685.68/x
  3. Step 3: Cross multiply
    343,585.44x = 474,147 × 192,685.68
  4. Step 4: Simplify right side
    343,585.44x = 91,361,337,114.96
  5. Step 5: Solve for x
    x = 91,361,337,114.96/343,585.44
  6. Step 6: Final answer
    x = 265,905.73

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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.