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Finding the Fourth Proportional to 669,379.43, 923,759.66 and 363,468.69

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Solution

The fourth proportional to 669,379.43, 923,759.66 and 363,468.69 is: 501,595.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,379.43 : 923,759.66 = 363,468.69 : x
  2. Step 2: Convert to fraction form
    669,379.43/923,759.66 = 363,468.69/x
  3. Step 3: Cross multiply
    669,379.43x = 923,759.66 × 363,468.69
  4. Step 4: Simplify right side
    669,379.43x = 335,757,711,677.70
  5. Step 5: Solve for x
    x = 335,757,711,677.70/669,379.43
  6. Step 6: Final answer
    x = 501,595.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.