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Finding the Fourth Proportional to 479,343.29, 661,493.18 and 264,483.32

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Solution

The fourth proportional to 479,343.29, 661,493.18 and 264,483.32 is: 364,986.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,343.29 : 661,493.18 = 264,483.32 : x
  2. Step 2: Convert to fraction form
    479,343.29/661,493.18 = 264,483.32/x
  3. Step 3: Cross multiply
    479,343.29x = 661,493.18 × 264,483.32
  4. Step 4: Simplify right side
    479,343.29x = 174,953,909,757.50
  5. Step 5: Solve for x
    x = 174,953,909,757.50/479,343.29
  6. Step 6: Final answer
    x = 364,986.67

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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.