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Finding the Fourth Proportional to 577,981.22, 797,615.25 and 323,336.66

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Solution

The fourth proportional to 577,981.22, 797,615.25 and 323,336.66 is: 446,205.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,981.22 : 797,615.25 = 323,336.66 : x
  2. Step 2: Convert to fraction form
    577,981.22/797,615.25 = 323,336.66/x
  3. Step 3: Cross multiply
    577,981.22x = 797,615.25 × 323,336.66
  4. Step 4: Simplify right side
    577,981.22x = 257,898,250,900.07
  5. Step 5: Solve for x
    x = 257,898,250,900.07/577,981.22
  6. Step 6: Final answer
    x = 446,205.24

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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.