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Finding the Fourth Proportional to 580,465.77, 800,998.79 and 325,767.75

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Solution

The fourth proportional to 580,465.77, 800,998.79 and 325,767.75 is: 449,534.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,465.77 : 800,998.79 = 325,767.75 : x
  2. Step 2: Convert to fraction form
    580,465.77/800,998.79 = 325,767.75/x
  3. Step 3: Cross multiply
    580,465.77x = 800,998.79 × 325,767.75
  4. Step 4: Simplify right side
    580,465.77x = 260,939,571,942.18
  5. Step 5: Solve for x
    x = 260,939,571,942.18/580,465.77
  6. Step 6: Final answer
    x = 449,534.81

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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.