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Finding the Fourth Proportional to 603,697.84, 833,107.96 and 377,474.48

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Solution

The fourth proportional to 603,697.84, 833,107.96 and 377,474.48 is: 520,917.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,697.84 : 833,107.96 = 377,474.48 : x
  2. Step 2: Convert to fraction form
    603,697.84/833,107.96 = 377,474.48/x
  3. Step 3: Cross multiply
    603,697.84x = 833,107.96 × 377,474.48
  4. Step 4: Simplify right side
    603,697.84x = 314,476,993,984.86
  5. Step 5: Solve for x
    x = 314,476,993,984.86/603,697.84
  6. Step 6: Final answer
    x = 520,917.87

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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.