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Finding the Fourth Proportional to 373,878.44, 515,932.72 and 204,079.76

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Solution

The fourth proportional to 373,878.44, 515,932.72 and 204,079.76 is: 281,619.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,878.44 : 515,932.72 = 204,079.76 : x
  2. Step 2: Convert to fraction form
    373,878.44/515,932.72 = 204,079.76/x
  3. Step 3: Cross multiply
    373,878.44x = 515,932.72 × 204,079.76
  4. Step 4: Simplify right side
    373,878.44x = 105,291,423,094.08
  5. Step 5: Solve for x
    x = 105,291,423,094.08/373,878.44
  6. Step 6: Final answer
    x = 281,619.41

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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.