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Finding the Fourth Proportional to 573,472.41, 791,424.73 and 318,840.00

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Solution

The fourth proportional to 573,472.41, 791,424.73 and 318,840.00 is: 440,017.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,472.41 : 791,424.73 = 318,840.00 : x
  2. Step 2: Convert to fraction form
    573,472.41/791,424.73 = 318,840.00/x
  3. Step 3: Cross multiply
    573,472.41x = 791,424.73 × 318,840.00
  4. Step 4: Simplify right side
    573,472.41x = 252,337,856,550.43
  5. Step 5: Solve for x
    x = 252,337,856,550.43/573,472.41
  6. Step 6: Final answer
    x = 440,017.43

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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.