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Finding the Fourth Proportional to 354,179.44, 488,753.37 and 193,031.05

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Solution

The fourth proportional to 354,179.44, 488,753.37 and 193,031.05 is: 266,375.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,179.44 : 488,753.37 = 193,031.05 : x
  2. Step 2: Convert to fraction form
    354,179.44/488,753.37 = 193,031.05/x
  3. Step 3: Cross multiply
    354,179.44x = 488,753.37 × 193,031.05
  4. Step 4: Simplify right side
    354,179.44x = 94,344,576,202.14
  5. Step 5: Solve for x
    x = 94,344,576,202.14/354,179.44
  6. Step 6: Final answer
    x = 266,375.08

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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.