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Finding the Fourth Proportional to 373,588.60, 515,551.68 and 203,822.74

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Solution

The fourth proportional to 373,588.60, 515,551.68 and 203,822.74 is: 281,275.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,588.60 : 515,551.68 = 203,822.74 : x
  2. Step 2: Convert to fraction form
    373,588.60/515,551.68 = 203,822.74/x
  3. Step 3: Cross multiply
    373,588.60x = 515,551.68 × 203,822.74
  4. Step 4: Simplify right side
    373,588.60x = 105,081,156,029.20
  5. Step 5: Solve for x
    x = 105,081,156,029.20/373,588.60
  6. Step 6: Final answer
    x = 281,275.06

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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.