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Finding the Fourth Proportional to 669,264.21, 923,600.66 and 363,353.47

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Solution

The fourth proportional to 669,264.21, 923,600.66 and 363,353.47 is: 501,436.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,264.21 : 923,600.66 = 363,353.47 : x
  2. Step 2: Convert to fraction form
    669,264.21/923,600.66 = 363,353.47/x
  3. Step 3: Cross multiply
    669,264.21x = 923,600.66 × 363,353.47
  4. Step 4: Simplify right side
    669,264.21x = 335,593,504,705.29
  5. Step 5: Solve for x
    x = 335,593,504,705.29/669,264.21
  6. Step 6: Final answer
    x = 501,436.50

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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.