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Finding the Fourth Proportional to 670,745.30, 925,640.46 and 364,828.41

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Solution

The fourth proportional to 670,745.30, 925,640.46 and 364,828.41 is: 503,469.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,745.30 : 925,640.46 = 364,828.41 : x
  2. Step 2: Convert to fraction form
    670,745.30/925,640.46 = 364,828.41/x
  3. Step 3: Cross multiply
    670,745.30x = 925,640.46 × 364,828.41
  4. Step 4: Simplify right side
    670,745.30x = 337,699,937,253.47
  5. Step 5: Solve for x
    x = 337,699,937,253.47/670,745.30
  6. Step 6: Final answer
    x = 503,469.71

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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.