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Finding the Fourth Proportional to 290,551.26, 435,563.85 and 201,846.30

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Solution

The fourth proportional to 290,551.26, 435,563.85 and 201,846.30 is: 302,586.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,551.26 : 435,563.85 = 201,846.30 : x
  2. Step 2: Convert to fraction form
    290,551.26/435,563.85 = 201,846.30/x
  3. Step 3: Cross multiply
    290,551.26x = 435,563.85 × 201,846.30
  4. Step 4: Simplify right side
    290,551.26x = 87,916,951,536.26
  5. Step 5: Solve for x
    x = 87,916,951,536.26/290,551.26
  6. Step 6: Final answer
    x = 302,586.72

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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.