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Finding the Fourth Proportional to 573,052.98, 790,766.85 and 331,351.21

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Solution

The fourth proportional to 573,052.98, 790,766.85 and 331,351.21 is: 457,237.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,052.98 : 790,766.85 = 331,351.21 : x
  2. Step 2: Convert to fraction form
    573,052.98/790,766.85 = 331,351.21/x
  3. Step 3: Cross multiply
    573,052.98x = 790,766.85 × 331,351.21
  4. Step 4: Simplify right side
    573,052.98x = 262,021,550,358.35
  5. Step 5: Solve for x
    x = 262,021,550,358.35/573,052.98
  6. Step 6: Final answer
    x = 457,237.92

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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.