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Finding the Fourth Proportional to 580,588.64, 801,211.72 and 325,940.32

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Solution

The fourth proportional to 580,588.64, 801,211.72 and 325,940.32 is: 449,797.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,588.64 : 801,211.72 = 325,940.32 : x
  2. Step 2: Convert to fraction form
    580,588.64/801,211.72 = 325,940.32/x
  3. Step 3: Cross multiply
    580,588.64x = 801,211.72 × 325,940.32
  4. Step 4: Simplify right side
    580,588.64x = 261,147,204,404.55
  5. Step 5: Solve for x
    x = 261,147,204,404.55/580,588.64
  6. Step 6: Final answer
    x = 449,797.30

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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.