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Finding the Fourth Proportional to 356,756.92, 492,311.22 and 195,608.20

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Solution

The fourth proportional to 356,756.92, 492,311.22 and 195,608.20 is: 269,932.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,756.92 : 492,311.22 = 195,608.20 : x
  2. Step 2: Convert to fraction form
    356,756.92/492,311.22 = 195,608.20/x
  3. Step 3: Cross multiply
    356,756.92x = 492,311.22 × 195,608.20
  4. Step 4: Simplify right side
    356,756.92x = 96,300,111,584.00
  5. Step 5: Solve for x
    x = 96,300,111,584.00/356,756.92
  6. Step 6: Final answer
    x = 269,932.01

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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.