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Finding the Fourth Proportional to 545,524.89, 752,770.40 and 303,829.94

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Solution

The fourth proportional to 545,524.89, 752,770.40 and 303,829.94 is: 419,255.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,524.89 : 752,770.40 = 303,829.94 : x
  2. Step 2: Convert to fraction form
    545,524.89/752,770.40 = 303,829.94/x
  3. Step 3: Cross multiply
    545,524.89x = 752,770.40 × 303,829.94
  4. Step 4: Simplify right side
    545,524.89x = 228,714,180,182.77
  5. Step 5: Solve for x
    x = 228,714,180,182.77/545,524.89
  6. Step 6: Final answer
    x = 419,255.26

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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.