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Finding the Fourth Proportional to 670,862.66, 925,763.74 and 364,939.42

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Solution

The fourth proportional to 670,862.66, 925,763.74 and 364,939.42 is: 503,601.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,862.66 : 925,763.74 = 364,939.42 : x
  2. Step 2: Convert to fraction form
    670,862.66/925,763.74 = 364,939.42/x
  3. Step 3: Cross multiply
    670,862.66x = 925,763.74 × 364,939.42
  4. Step 4: Simplify right side
    670,862.66x = 337,847,682,332.63
  5. Step 5: Solve for x
    x = 337,847,682,332.63/670,862.66
  6. Step 6: Final answer
    x = 503,601.86

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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.