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Finding the Fourth Proportional to 603,373.48, 832,660.76 and 331,446.89

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Solution

The fourth proportional to 603,373.48, 832,660.76 and 331,446.89 is: 457,399.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,373.48 : 832,660.76 = 331,446.89 : x
  2. Step 2: Convert to fraction form
    603,373.48/832,660.76 = 331,446.89/x
  3. Step 3: Cross multiply
    603,373.48x = 832,660.76 × 331,446.89
  4. Step 4: Simplify right side
    603,373.48x = 275,982,822,237.31
  5. Step 5: Solve for x
    x = 275,982,822,237.31/603,373.48
  6. Step 6: Final answer
    x = 457,399.66

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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.