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Finding the Fourth Proportional to 437,163.32, 655,804.61 and 152,787.86

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Solution

The fourth proportional to 437,163.32, 655,804.61 and 152,787.86 is: 229,202.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,163.32 : 655,804.61 = 152,787.86 : x
  2. Step 2: Convert to fraction form
    437,163.32/655,804.61 = 152,787.86/x
  3. Step 3: Cross multiply
    437,163.32x = 655,804.61 × 152,787.86
  4. Step 4: Simplify right side
    437,163.32x = 100,198,984,961.52
  5. Step 5: Solve for x
    x = 100,198,984,961.52/437,163.32
  6. Step 6: Final answer
    x = 229,202.63

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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.