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Finding the Fourth Proportional to 574,571.28, 860,692.10 and 266,390.38

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Solution

The fourth proportional to 574,571.28, 860,692.10 and 266,390.38 is: 399,045.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,571.28 : 860,692.10 = 266,390.38 : x
  2. Step 2: Convert to fraction form
    574,571.28/860,692.10 = 266,390.38/x
  3. Step 3: Cross multiply
    574,571.28x = 860,692.10 × 266,390.38
  4. Step 4: Simplify right side
    574,571.28x = 229,280,091,278.54
  5. Step 5: Solve for x
    x = 229,280,091,278.54/574,571.28
  6. Step 6: Final answer
    x = 399,045.51

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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.