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Finding the Fourth Proportional to 357,236.28, 492,958.98 and 196,065.72

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Solution

The fourth proportional to 357,236.28, 492,958.98 and 196,065.72 is: 270,555.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,236.28 : 492,958.98 = 196,065.72 : x
  2. Step 2: Convert to fraction form
    357,236.28/492,958.98 = 196,065.72/x
  3. Step 3: Cross multiply
    357,236.28x = 492,958.98 × 196,065.72
  4. Step 4: Simplify right side
    357,236.28x = 96,652,357,344.17
  5. Step 5: Solve for x
    x = 96,652,357,344.17/357,236.28
  6. Step 6: Final answer
    x = 270,555.83

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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.