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Finding the Fourth Proportional to 383,366.52, 574,777.62 and 146,509.56

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Solution

The fourth proportional to 383,366.52, 574,777.62 and 146,509.56 is: 219,660.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,366.52 : 574,777.62 = 146,509.56 : x
  2. Step 2: Convert to fraction form
    383,366.52/574,777.62 = 146,509.56/x
  3. Step 3: Cross multiply
    383,366.52x = 574,777.62 × 146,509.56
  4. Step 4: Simplify right side
    383,366.52x = 84,210,416,204.05
  5. Step 5: Solve for x
    x = 84,210,416,204.05/383,366.52
  6. Step 6: Final answer
    x = 219,660.33

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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.