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Finding the Fourth Proportional to 379,502.67, 569,347.44 and 267,401.84

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Solution

The fourth proportional to 379,502.67, 569,347.44 and 267,401.84 is: 401,168.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,502.67 : 569,347.44 = 267,401.84 : x
  2. Step 2: Convert to fraction form
    379,502.67/569,347.44 = 267,401.84/x
  3. Step 3: Cross multiply
    379,502.67x = 569,347.44 × 267,401.84
  4. Step 4: Simplify right side
    379,502.67x = 152,244,549,205.80
  5. Step 5: Solve for x
    x = 152,244,549,205.80/379,502.67
  6. Step 6: Final answer
    x = 401,168.58

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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.