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Finding the Fourth Proportional to 363,059, 544,662.28 and 126,420.12

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Solution

The fourth proportional to 363,059, 544,662.28 and 126,420.12 is: 189,655.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,059 : 544,662.28 = 126,420.12 : x
  2. Step 2: Convert to fraction form
    363,059/544,662.28 = 126,420.12/x
  3. Step 3: Cross multiply
    363,059x = 544,662.28 × 126,420.12
  4. Step 4: Simplify right side
    363,059x = 68,856,270,797.07
  5. Step 5: Solve for x
    x = 68,856,270,797.07/363,059
  6. Step 6: Final answer
    x = 189,655.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.