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Finding the Fourth Proportional to 355,225.40, 490,204.68 and 194,076.44

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Solution

The fourth proportional to 355,225.40, 490,204.68 and 194,076.44 is: 267,822.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,225.40 : 490,204.68 = 194,076.44 : x
  2. Step 2: Convert to fraction form
    355,225.40/490,204.68 = 194,076.44/x
  3. Step 3: Cross multiply
    355,225.40x = 490,204.68 × 194,076.44
  4. Step 4: Simplify right side
    355,225.40x = 95,137,179,165.74
  5. Step 5: Solve for x
    x = 95,137,179,165.74/355,225.40
  6. Step 6: Final answer
    x = 267,822.01

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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.