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Finding the Fourth Proportional to 379,503.67, 569,348.94 and 267,402.84

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Solution

The fourth proportional to 379,503.67, 569,348.94 and 267,402.84 is: 401,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,503.67 : 569,348.94 = 267,402.84 : x
  2. Step 2: Convert to fraction form
    379,503.67/569,348.94 = 267,402.84/x
  3. Step 3: Cross multiply
    379,503.67x = 569,348.94 × 267,402.84
  4. Step 4: Simplify right side
    379,503.67x = 152,245,523,506.99
  5. Step 5: Solve for x
    x = 152,245,523,506.99/379,503.67
  6. Step 6: Final answer
    x = 401,170.10

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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.