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Finding the Fourth Proportional to 232,235.80, 347,835.30 and 190,763.80

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Solution

The fourth proportional to 232,235.80, 347,835.30 and 190,763.80 is: 285,719.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,235.80 : 347,835.30 = 190,763.80 : x
  2. Step 2: Convert to fraction form
    232,235.80/347,835.30 = 190,763.80/x
  3. Step 3: Cross multiply
    232,235.80x = 347,835.30 × 190,763.80
  4. Step 4: Simplify right side
    232,235.80x = 66,354,383,602.14
  5. Step 5: Solve for x
    x = 66,354,383,602.14/232,235.80
  6. Step 6: Final answer
    x = 285,719.87

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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.