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Finding the Fourth Proportional to 504,472.50, 695,778.21 and 323,201.25

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Solution

The fourth proportional to 504,472.50, 695,778.21 and 323,201.25 is: 445,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,472.50 : 695,778.21 = 323,201.25 : x
  2. Step 2: Convert to fraction form
    504,472.50/695,778.21 = 323,201.25/x
  3. Step 3: Cross multiply
    504,472.50x = 695,778.21 × 323,201.25
  4. Step 4: Simplify right side
    504,472.50x = 224,876,387,194.76
  5. Step 5: Solve for x
    x = 224,876,387,194.76/504,472.50
  6. Step 6: Final answer
    x = 445,765.40

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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.