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Finding the Fourth Proportional to 670,930.83, 925,863.42 and 364,999.37

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Solution

The fourth proportional to 670,930.83, 925,863.42 and 364,999.37 is: 503,687.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,930.83 : 925,863.42 = 364,999.37 : x
  2. Step 2: Convert to fraction form
    670,930.83/925,863.42 = 364,999.37/x
  3. Step 3: Cross multiply
    670,930.83x = 925,863.42 × 364,999.37
  4. Step 4: Simplify right side
    670,930.83x = 337,939,560,376.73
  5. Step 5: Solve for x
    x = 337,939,560,376.73/670,930.83
  6. Step 6: Final answer
    x = 503,687.63

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1.5x scale

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.