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Finding the Fourth Proportional to 357,099.77, 492,797.39 and 195,964.94

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Solution

The fourth proportional to 357,099.77, 492,797.39 and 195,964.94 is: 270,431.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,099.77 : 492,797.39 = 195,964.94 : x
  2. Step 2: Convert to fraction form
    357,099.77/492,797.39 = 195,964.94/x
  3. Step 3: Cross multiply
    357,099.77x = 492,797.39 × 195,964.94
  4. Step 4: Simplify right side
    357,099.77x = 96,571,011,215.68
  5. Step 5: Solve for x
    x = 96,571,011,215.68/357,099.77
  6. Step 6: Final answer
    x = 270,431.46

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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.