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Finding the Fourth Proportional to 355,753.44, 490,952.40 and 194,598.88

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Solution

The fourth proportional to 355,753.44, 490,952.40 and 194,598.88 is: 268,553.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,753.44 : 490,952.40 = 194,598.88 : x
  2. Step 2: Convert to fraction form
    355,753.44/490,952.40 = 194,598.88/x
  3. Step 3: Cross multiply
    355,753.44x = 490,952.40 × 194,598.88
  4. Step 4: Simplify right side
    355,753.44x = 95,538,787,173.31
  5. Step 5: Solve for x
    x = 95,538,787,173.31/355,753.44
  6. Step 6: Final answer
    x = 268,553.38

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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.