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Finding the Fourth Proportional to 603,360.43, 832,596.47 and 331,439.78

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Solution

The fourth proportional to 603,360.43, 832,596.47 and 331,439.78 is: 457,364.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,360.43 : 832,596.47 = 331,439.78 : x
  2. Step 2: Convert to fraction form
    603,360.43/832,596.47 = 331,439.78/x
  3. Step 3: Cross multiply
    603,360.43x = 832,596.47 × 331,439.78
  4. Step 4: Simplify right side
    603,360.43x = 275,955,592,512.77
  5. Step 5: Solve for x
    x = 275,955,592,512.77/603,360.43
  6. Step 6: Final answer
    x = 457,364.42

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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.