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Finding the Fourth Proportional to 373,803.32, 515,855.58 and 204,043.52

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Solution

The fourth proportional to 373,803.32, 515,855.58 and 204,043.52 is: 281,583.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,803.32 : 515,855.58 = 204,043.52 : x
  2. Step 2: Convert to fraction form
    373,803.32/515,855.58 = 204,043.52/x
  3. Step 3: Cross multiply
    373,803.32x = 515,855.58 × 204,043.52
  4. Step 4: Simplify right side
    373,803.32x = 105,256,988,354.84
  5. Step 5: Solve for x
    x = 105,256,988,354.84/373,803.32
  6. Step 6: Final answer
    x = 281,583.88

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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.