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Finding the Fourth Proportional to 433,711.80, 650,859.30 and 244,171.80

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Solution

The fourth proportional to 433,711.80, 650,859.30 and 244,171.80 is: 366,421.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,711.80 : 650,859.30 = 244,171.80 : x
  2. Step 2: Convert to fraction form
    433,711.80/650,859.30 = 244,171.80/x
  3. Step 3: Cross multiply
    433,711.80x = 650,859.30 × 244,171.80
  4. Step 4: Simplify right side
    433,711.80x = 158,921,486,827.74
  5. Step 5: Solve for x
    x = 158,921,486,827.74/433,711.80
  6. Step 6: Final answer
    x = 366,421.87

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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.