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Finding the Fourth Proportional to 603,189.99, 832,369.23 and 331,293.51

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Solution

The fourth proportional to 603,189.99, 832,369.23 and 331,293.51 is: 457,166.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,189.99 : 832,369.23 = 331,293.51 : x
  2. Step 2: Convert to fraction form
    603,189.99/832,369.23 = 331,293.51/x
  3. Step 3: Cross multiply
    603,189.99x = 832,369.23 × 331,293.51
  4. Step 4: Simplify right side
    603,189.99x = 275,758,523,822.70
  5. Step 5: Solve for x
    x = 275,758,523,822.70/603,189.99
  6. Step 6: Final answer
    x = 457,166.94

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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.