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Finding the Fourth Proportional to 579,462.63, 799,655.92 and 324,813.83

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Solution

The fourth proportional to 579,462.63, 799,655.92 and 324,813.83 is: 448,241.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,462.63 : 799,655.92 = 324,813.83 : x
  2. Step 2: Convert to fraction form
    579,462.63/799,655.92 = 324,813.83/x
  3. Step 3: Cross multiply
    579,462.63x = 799,655.92 × 324,813.83
  4. Step 4: Simplify right side
    579,462.63x = 259,739,297,247.06
  5. Step 5: Solve for x
    x = 259,739,297,247.06/579,462.63
  6. Step 6: Final answer
    x = 448,241.67

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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.