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Finding the Fourth Proportional to 668,953.14, 923,157.76 and 363,029.46

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Solution

The fourth proportional to 668,953.14, 923,157.76 and 363,029.46 is: 500,981.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,953.14 : 923,157.76 = 363,029.46 : x
  2. Step 2: Convert to fraction form
    668,953.14/923,157.76 = 363,029.46/x
  3. Step 3: Cross multiply
    668,953.14x = 923,157.76 × 363,029.46
  4. Step 4: Simplify right side
    668,953.14x = 335,133,463,107.61
  5. Step 5: Solve for x
    x = 335,133,463,107.61/668,953.14
  6. Step 6: Final answer
    x = 500,981.97

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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.