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Finding the Fourth Proportional to 383,063.52, 574,573.41 and 146,430.12

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Solution

The fourth proportional to 383,063.52, 574,573.41 and 146,430.12 is: 219,636.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,063.52 : 574,573.41 = 146,430.12 : x
  2. Step 2: Convert to fraction form
    383,063.52/574,573.41 = 146,430.12/x
  3. Step 3: Cross multiply
    383,063.52x = 574,573.41 × 146,430.12
  4. Step 4: Simplify right side
    383,063.52x = 84,134,853,375.11
  5. Step 5: Solve for x
    x = 84,134,853,375.11/383,063.52
  6. Step 6: Final answer
    x = 219,636.82

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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.