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Finding the Fourth Proportional to 580,561.83, 801,169.79 and 325,911.20

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Solution

The fourth proportional to 580,561.83, 801,169.79 and 325,911.20 is: 449,754.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,561.83 : 801,169.79 = 325,911.20 : x
  2. Step 2: Convert to fraction form
    580,561.83/801,169.79 = 325,911.20/x
  3. Step 3: Cross multiply
    580,561.83x = 801,169.79 × 325,911.20
  4. Step 4: Simplify right side
    580,561.83x = 261,110,202,027.24
  5. Step 5: Solve for x
    x = 261,110,202,027.24/580,561.83
  6. Step 6: Final answer
    x = 449,754.34

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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.