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Finding the Fourth Proportional to 580,509.27, 801,015.75 and 325,811.25

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Solution

The fourth proportional to 580,509.27, 801,015.75 and 325,811.25 is: 449,570.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,509.27 : 801,015.75 = 325,811.25 : x
  2. Step 2: Convert to fraction form
    580,509.27/801,015.75 = 325,811.25/x
  3. Step 3: Cross multiply
    580,509.27x = 801,015.75 × 325,811.25
  4. Step 4: Simplify right side
    580,509.27x = 260,979,942,777.19
  5. Step 5: Solve for x
    x = 260,979,942,777.19/580,509.27
  6. Step 6: Final answer
    x = 449,570.67

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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.