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Finding the Fourth Proportional to 669,455.91, 923,846.20 and 363,529.84

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Solution

The fourth proportional to 669,455.91, 923,846.20 and 363,529.84 is: 501,669.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,455.91 : 923,846.20 = 363,529.84 : x
  2. Step 2: Convert to fraction form
    669,455.91/923,846.20 = 363,529.84/x
  3. Step 3: Cross multiply
    669,455.91x = 923,846.20 × 363,529.84
  4. Step 4: Simplify right side
    669,455.91x = 335,845,661,270.61
  5. Step 5: Solve for x
    x = 335,845,661,270.61/669,455.91
  6. Step 6: Final answer
    x = 501,669.57

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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.