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Finding the Fourth Proportional to 373,573.28, 515,530.47 and 203,807.41

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Solution

The fourth proportional to 373,573.28, 515,530.47 and 203,807.41 is: 281,253.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,573.28 : 515,530.47 = 203,807.41 : x
  2. Step 2: Convert to fraction form
    373,573.28/515,530.47 = 203,807.41/x
  3. Step 3: Cross multiply
    373,573.28x = 515,530.47 × 203,807.41
  4. Step 4: Simplify right side
    373,573.28x = 105,068,929,342.23
  5. Step 5: Solve for x
    x = 105,068,929,342.23/373,573.28
  6. Step 6: Final answer
    x = 281,253.86

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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.