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Finding the Fourth Proportional to 433,517.80, 650,276.70 and 223,565.80

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Solution

The fourth proportional to 433,517.80, 650,276.70 and 223,565.80 is: 335,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,517.80 : 650,276.70 = 223,565.80 : x
  2. Step 2: Convert to fraction form
    433,517.80/650,276.70 = 223,565.80/x
  3. Step 3: Cross multiply
    433,517.80x = 650,276.70 × 223,565.80
  4. Step 4: Simplify right side
    433,517.80x = 145,379,630,656.86
  5. Step 5: Solve for x
    x = 145,379,630,656.86/433,517.80
  6. Step 6: Final answer
    x = 335,348.70

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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.