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Finding the Fourth Proportional to 577,664.55, 797,213.85 and 323,015.67

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Solution

The fourth proportional to 577,664.55, 797,213.85 and 323,015.67 is: 445,782.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,664.55 : 797,213.85 = 323,015.67 : x
  2. Step 2: Convert to fraction form
    577,664.55/797,213.85 = 323,015.67/x
  3. Step 3: Cross multiply
    577,664.55x = 797,213.85 × 323,015.67
  4. Step 4: Simplify right side
    577,664.55x = 257,512,565,891.03
  5. Step 5: Solve for x
    x = 257,512,565,891.03/577,664.55
  6. Step 6: Final answer
    x = 445,782.19

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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.