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Finding the Fourth Proportional to 223,999.40, 335,999.10 and 193,586.60

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Solution

The fourth proportional to 223,999.40, 335,999.10 and 193,586.60 is: 290,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,999.40 : 335,999.10 = 193,586.60 : x
  2. Step 2: Convert to fraction form
    223,999.40/335,999.10 = 193,586.60/x
  3. Step 3: Cross multiply
    223,999.40x = 335,999.10 × 193,586.60
  4. Step 4: Simplify right side
    223,999.40x = 65,044,923,372.06
  5. Step 5: Solve for x
    x = 65,044,923,372.06/223,999.40
  6. Step 6: Final answer
    x = 290,379.90

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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.