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Finding the Fourth Proportional to 231,999.60, 348,517.80 and 223,186.80

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Solution

The fourth proportional to 231,999.60, 348,517.80 and 223,186.80 is: 335,278.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,999.60 : 348,517.80 = 223,186.80 : x
  2. Step 2: Convert to fraction form
    231,999.60/348,517.80 = 223,186.80/x
  3. Step 3: Cross multiply
    231,999.60x = 348,517.80 × 223,186.80
  4. Step 4: Simplify right side
    231,999.60x = 77,784,572,525.04
  5. Step 5: Solve for x
    x = 77,784,572,525.04/231,999.60
  6. Step 6: Final answer
    x = 335,278.91

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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.