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Finding the Fourth Proportional to 670,321.29, 925,049.40 and 364,398.26

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Solution

The fourth proportional to 670,321.29, 925,049.40 and 364,398.26 is: 502,872.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,321.29 : 925,049.40 = 364,398.26 : x
  2. Step 2: Convert to fraction form
    670,321.29/925,049.40 = 364,398.26/x
  3. Step 3: Cross multiply
    670,321.29x = 925,049.40 × 364,398.26
  4. Step 4: Simplify right side
    670,321.29x = 337,086,391,774.04
  5. Step 5: Solve for x
    x = 337,086,391,774.04/670,321.29
  6. Step 6: Final answer
    x = 502,872.87

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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.