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Finding the Fourth Proportional to 538,573.86, 807,773.18 and 254,263.86

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Solution

The fourth proportional to 538,573.86, 807,773.18 and 254,263.86 is: 381,354.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,573.86 : 807,773.18 = 254,263.86 : x
  2. Step 2: Convert to fraction form
    538,573.86/807,773.18 = 254,263.86/x
  3. Step 3: Cross multiply
    538,573.86x = 807,773.18 × 254,263.86
  4. Step 4: Simplify right side
    538,573.86x = 205,387,525,479.96
  5. Step 5: Solve for x
    x = 205,387,525,479.96/538,573.86
  6. Step 6: Final answer
    x = 381,354.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.