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Finding the Fourth Proportional to 573,558.48, 791,424 and 331,793.28

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Solution

The fourth proportional to 573,558.48, 791,424 and 331,793.28 is: 457,824.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,558.48 : 791,424 = 331,793.28 : x
  2. Step 2: Convert to fraction form
    573,558.48/791,424 = 331,793.28/x
  3. Step 3: Cross multiply
    573,558.48x = 791,424 × 331,793.28
  4. Step 4: Simplify right side
    573,558.48x = 262,589,164,830.72
  5. Step 5: Solve for x
    x = 262,589,164,830.72/573,558.48
  6. Step 6: Final answer
    x = 457,824.57

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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.