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Finding the Fourth Proportional to 355,224.70, 490,204.35 and 194,076.28

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Solution

The fourth proportional to 355,224.70, 490,204.35 and 194,076.28 is: 267,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,224.70 : 490,204.35 = 194,076.28 : x
  2. Step 2: Convert to fraction form
    355,224.70/490,204.35 = 194,076.28/x
  3. Step 3: Cross multiply
    355,224.70x = 490,204.35 × 194,076.28
  4. Step 4: Simplify right side
    355,224.70x = 95,137,036,687.82
  5. Step 5: Solve for x
    x = 95,137,036,687.82/355,224.70
  6. Step 6: Final answer
    x = 267,822.13

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1.5x scale

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.