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Finding the Fourth Proportional to 580,659.64, 801,310.30 and 326,016.30

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Solution

The fourth proportional to 580,659.64, 801,310.30 and 326,016.30 is: 449,902.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,659.64 : 801,310.30 = 326,016.30 : x
  2. Step 2: Convert to fraction form
    580,659.64/801,310.30 = 326,016.30/x
  3. Step 3: Cross multiply
    580,659.64x = 801,310.30 × 326,016.30
  4. Step 4: Simplify right side
    580,659.64x = 261,240,219,157.89
  5. Step 5: Solve for x
    x = 261,240,219,157.89/580,659.64
  6. Step 6: Final answer
    x = 449,902.49

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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.