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Finding the Fourth Proportional to 668,957.56, 923,163.84 and 363,033.86

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Solution

The fourth proportional to 668,957.56, 923,163.84 and 363,033.86 is: 500,988.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,957.56 : 923,163.84 = 363,033.86 : x
  2. Step 2: Convert to fraction form
    668,957.56/923,163.84 = 363,033.86/x
  3. Step 3: Cross multiply
    668,957.56x = 923,163.84 × 363,033.86
  4. Step 4: Simplify right side
    668,957.56x = 335,139,732,247.62
  5. Step 5: Solve for x
    x = 335,139,732,247.62/668,957.56
  6. Step 6: Final answer
    x = 500,988.03

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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.