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Finding the Fourth Proportional to 670,537.59, 925,346.69 and 364,611.78

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Solution

The fourth proportional to 670,537.59, 925,346.69 and 364,611.78 is: 503,166.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,537.59 : 925,346.69 = 364,611.78 : x
  2. Step 2: Convert to fraction form
    670,537.59/925,346.69 = 364,611.78/x
  3. Step 3: Cross multiply
    670,537.59x = 925,346.69 × 364,611.78
  4. Step 4: Simplify right side
    670,537.59x = 337,392,305,195.23
  5. Step 5: Solve for x
    x = 337,392,305,195.23/670,537.59
  6. Step 6: Final answer
    x = 503,166.88

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Double scale
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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.