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Finding the Fourth Proportional to 545,561.60, 752,898.26 and 303,844.17

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Solution

The fourth proportional to 545,561.60, 752,898.26 and 303,844.17 is: 419,317.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,561.60 : 752,898.26 = 303,844.17 : x
  2. Step 2: Convert to fraction form
    545,561.60/752,898.26 = 303,844.17/x
  3. Step 3: Cross multiply
    545,561.60x = 752,898.26 × 303,844.17
  4. Step 4: Simplify right side
    545,561.60x = 228,763,744,134.54
  5. Step 5: Solve for x
    x = 228,763,744,134.54/545,561.60
  6. Step 6: Final answer
    x = 419,317.90

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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.