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Finding the Fourth Proportional to 373,341.06, 515,221.29 and 203,584.50

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Solution

The fourth proportional to 373,341.06, 515,221.29 and 203,584.50 is: 280,952.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,341.06 : 515,221.29 = 203,584.50 : x
  2. Step 2: Convert to fraction form
    373,341.06/515,221.29 = 203,584.50/x
  3. Step 3: Cross multiply
    373,341.06x = 515,221.29 × 203,584.50
  4. Step 4: Simplify right side
    373,341.06x = 104,891,068,714.01
  5. Step 5: Solve for x
    x = 104,891,068,714.01/373,341.06
  6. Step 6: Final answer
    x = 280,952.41

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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.