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Finding the Fourth Proportional to 383,152.41, 574,754.54 and 146,520.09

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Solution

The fourth proportional to 383,152.41, 574,754.54 and 146,520.09 is: 219,790.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,152.41 : 574,754.54 = 146,520.09 : x
  2. Step 2: Convert to fraction form
    383,152.41/574,754.54 = 146,520.09/x
  3. Step 3: Cross multiply
    383,152.41x = 574,754.54 × 146,520.09
  4. Step 4: Simplify right side
    383,152.41x = 84,213,086,196.11
  5. Step 5: Solve for x
    x = 84,213,086,196.11/383,152.41
  6. Step 6: Final answer
    x = 219,790.05

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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.