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Finding the Fourth Proportional to 340,090.68, 469,376.46 and 196,944.24

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Solution

The fourth proportional to 340,090.68, 469,376.46 and 196,944.24 is: 271,812.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,090.68 : 469,376.46 = 196,944.24 : x
  2. Step 2: Convert to fraction form
    340,090.68/469,376.46 = 196,944.24/x
  3. Step 3: Cross multiply
    340,090.68x = 469,376.46 × 196,944.24
  4. Step 4: Simplify right side
    340,090.68x = 92,440,990,188.59
  5. Step 5: Solve for x
    x = 92,440,990,188.59/340,090.68
  6. Step 6: Final answer
    x = 271,812.77

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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.