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Finding the Fourth Proportional to 481,550.78, 722,373.96 and 178,024.50

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Solution

The fourth proportional to 481,550.78, 722,373.96 and 178,024.50 is: 267,054.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,550.78 : 722,373.96 = 178,024.50 : x
  2. Step 2: Convert to fraction form
    481,550.78/722,373.96 = 178,024.50/x
  3. Step 3: Cross multiply
    481,550.78x = 722,373.96 × 178,024.50
  4. Step 4: Simplify right side
    481,550.78x = 128,600,263,709.61
  5. Step 5: Solve for x
    x = 128,600,263,709.61/481,550.78
  6. Step 6: Final answer
    x = 267,054.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.