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Finding the Fourth Proportional to 362,175.67, 499,779.57 and 201,021.31

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Solution

The fourth proportional to 362,175.67, 499,779.57 and 201,021.31 is: 277,396.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,175.67 : 499,779.57 = 201,021.31 : x
  2. Step 2: Convert to fraction form
    362,175.67/499,779.57 = 201,021.31/x
  3. Step 3: Cross multiply
    362,175.67x = 499,779.57 × 201,021.31
  4. Step 4: Simplify right side
    362,175.67x = 100,466,343,872.64
  5. Step 5: Solve for x
    x = 100,466,343,872.64/362,175.67
  6. Step 6: Final answer
    x = 277,396.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.