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Finding the Fourth Proportional to 577,980.72, 797,614.56 and 323,336.16

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Solution

The fourth proportional to 577,980.72, 797,614.56 and 323,336.16 is: 446,204.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,980.72 : 797,614.56 = 323,336.16 : x
  2. Step 2: Convert to fraction form
    577,980.72/797,614.56 = 323,336.16/x
  3. Step 3: Cross multiply
    577,980.72x = 797,614.56 × 323,336.16
  4. Step 4: Simplify right side
    577,980.72x = 257,897,628,990.49
  5. Step 5: Solve for x
    x = 257,897,628,990.49/577,980.72
  6. Step 6: Final answer
    x = 446,204.55

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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.