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Finding the Fourth Proportional to 545,685.44, 753,034.56 and 303,967.68

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Solution

The fourth proportional to 545,685.44, 753,034.56 and 303,967.68 is: 419,469.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,685.44 : 753,034.56 = 303,967.68 : x
  2. Step 2: Convert to fraction form
    545,685.44/753,034.56 = 303,967.68/x
  3. Step 3: Cross multiply
    545,685.44x = 753,034.56 × 303,967.68
  4. Step 4: Simplify right side
    545,685.44x = 228,898,168,163.02
  5. Step 5: Solve for x
    x = 228,898,168,163.02/545,685.44
  6. Step 6: Final answer
    x = 419,469.08

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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.