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Finding the Fourth Proportional to 892,427.12, 1,231,092.60 and 569,798

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Solution

The fourth proportional to 892,427.12, 1,231,092.60 and 569,798 is: 786,029.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,427.12 : 1,231,092.60 = 569,798 : x
  2. Step 2: Convert to fraction form
    892,427.12/1,231,092.60 = 569,798/x
  3. Step 3: Cross multiply
    892,427.12x = 1,231,092.60 × 569,798
  4. Step 4: Simplify right side
    892,427.12x = 701,474,101,294.80
  5. Step 5: Solve for x
    x = 701,474,101,294.80/892,427.12
  6. Step 6: Final answer
    x = 786,029.57

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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.