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Finding the Fourth Proportional to 545,168.94, 752,333.04 and 303,446.31

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Solution

The fourth proportional to 545,168.94, 752,333.04 and 303,446.31 is: 418,755.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,168.94 : 752,333.04 = 303,446.31 : x
  2. Step 2: Convert to fraction form
    545,168.94/752,333.04 = 303,446.31/x
  3. Step 3: Cross multiply
    545,168.94x = 752,333.04 × 303,446.31
  4. Step 4: Simplify right side
    545,168.94x = 228,292,684,879.08
  5. Step 5: Solve for x
    x = 228,292,684,879.08/545,168.94
  6. Step 6: Final answer
    x = 418,755.85

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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.