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Finding the Fourth Proportional to 356,704.16, 492,251.60 and 195,555.75

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Solution

The fourth proportional to 356,704.16, 492,251.60 and 195,555.75 is: 269,866.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,704.16 : 492,251.60 = 195,555.75 : x
  2. Step 2: Convert to fraction form
    356,704.16/492,251.60 = 195,555.75/x
  3. Step 3: Cross multiply
    356,704.16x = 492,251.60 × 195,555.75
  4. Step 4: Simplify right side
    356,704.16x = 96,262,629,848.92
  5. Step 5: Solve for x
    x = 96,262,629,848.92/356,704.16
  6. Step 6: Final answer
    x = 269,866.86

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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.