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Finding the Fourth Proportional to 669,073.67, 923,296.92 and 363,143.49

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Solution

The fourth proportional to 669,073.67, 923,296.92 and 363,143.49 is: 501,124.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,073.67 : 923,296.92 = 363,143.49 : x
  2. Step 2: Convert to fraction form
    669,073.67/923,296.92 = 363,143.49/x
  3. Step 3: Cross multiply
    669,073.67x = 923,296.92 × 363,143.49
  4. Step 4: Simplify right side
    669,073.67x = 335,289,265,257.14
  5. Step 5: Solve for x
    x = 335,289,265,257.14/669,073.67
  6. Step 6: Final answer
    x = 501,124.58

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Double scale
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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.