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Finding the Fourth Proportional to 356,735.52, 492,197.04 and 220,704.12

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Solution

The fourth proportional to 356,735.52, 492,197.04 and 220,704.12 is: 304,511.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,735.52 : 492,197.04 = 220,704.12 : x
  2. Step 2: Convert to fraction form
    356,735.52/492,197.04 = 220,704.12/x
  3. Step 3: Cross multiply
    356,735.52x = 492,197.04 × 220,704.12
  4. Step 4: Simplify right side
    356,735.52x = 108,629,914,579.81
  5. Step 5: Solve for x
    x = 108,629,914,579.81/356,735.52
  6. Step 6: Final answer
    x = 304,511.07

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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.