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Finding the Fourth Proportional to 293,431.65, 440,147.48 and 273,602.85

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Solution

The fourth proportional to 293,431.65, 440,147.48 and 273,602.85 is: 410,404.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,431.65 : 440,147.48 = 273,602.85 : x
  2. Step 2: Convert to fraction form
    293,431.65/440,147.48 = 273,602.85/x
  3. Step 3: Cross multiply
    293,431.65x = 440,147.48 × 273,602.85
  4. Step 4: Simplify right side
    293,431.65x = 120,425,603,580.30
  5. Step 5: Solve for x
    x = 120,425,603,580.30/293,431.65
  6. Step 6: Final answer
    x = 410,404.28

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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.