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Finding the Fourth Proportional to 670,608.60, 925,446.41 and 364,691.55

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Solution

The fourth proportional to 670,608.60, 925,446.41 and 364,691.55 is: 503,277.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,608.60 : 925,446.41 = 364,691.55 : x
  2. Step 2: Convert to fraction form
    670,608.60/925,446.41 = 364,691.55/x
  3. Step 3: Cross multiply
    670,608.60x = 925,446.41 × 364,691.55
  4. Step 4: Simplify right side
    670,608.60x = 337,502,485,704.84
  5. Step 5: Solve for x
    x = 337,502,485,704.84/670,608.60
  6. Step 6: Final answer
    x = 503,277.90

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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.