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Finding the Fourth Proportional to 383,262.31, 574,962.72 and 158,500.68

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Solution

The fourth proportional to 383,262.31, 574,962.72 and 158,500.68 is: 237,779.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,262.31 : 574,962.72 = 158,500.68 : x
  2. Step 2: Convert to fraction form
    383,262.31/574,962.72 = 158,500.68/x
  3. Step 3: Cross multiply
    383,262.31x = 574,962.72 × 158,500.68
  4. Step 4: Simplify right side
    383,262.31x = 91,131,982,094.65
  5. Step 5: Solve for x
    x = 91,131,982,094.65/383,262.31
  6. Step 6: Final answer
    x = 237,779.66

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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.