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Finding the Fourth Proportional to 365,781.34, 504,950.82 and 275,171.81

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Solution

The fourth proportional to 365,781.34, 504,950.82 and 275,171.81 is: 379,866.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,781.34 : 504,950.82 = 275,171.81 : x
  2. Step 2: Convert to fraction form
    365,781.34/504,950.82 = 275,171.81/x
  3. Step 3: Cross multiply
    365,781.34x = 504,950.82 × 275,171.81
  4. Step 4: Simplify right side
    365,781.34x = 138,948,231,100.38
  5. Step 5: Solve for x
    x = 138,948,231,100.38/365,781.34
  6. Step 6: Final answer
    x = 379,866.93

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1.5x scale

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.