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Finding the Fourth Proportional to 232,336.80, 347,986.80 and 190,864.80

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Solution

The fourth proportional to 232,336.80, 347,986.80 and 190,864.80 is: 285,871.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,336.80 : 347,986.80 = 190,864.80 : x
  2. Step 2: Convert to fraction form
    232,336.80/347,986.80 = 190,864.80/x
  3. Step 3: Cross multiply
    232,336.80x = 347,986.80 × 190,864.80
  4. Step 4: Simplify right side
    232,336.80x = 66,418,430,984.64
  5. Step 5: Solve for x
    x = 66,418,430,984.64/232,336.80
  6. Step 6: Final answer
    x = 285,871.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.