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Finding the Fourth Proportional to 254,353.28, 381,596.44 and 147,634.64

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Solution

The fourth proportional to 254,353.28, 381,596.44 and 147,634.64 is: 221,490.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,353.28 : 381,596.44 = 147,634.64 : x
  2. Step 2: Convert to fraction form
    254,353.28/381,596.44 = 147,634.64/x
  3. Step 3: Cross multiply
    254,353.28x = 381,596.44 × 147,634.64
  4. Step 4: Simplify right side
    254,353.28x = 56,336,853,044.68
  5. Step 5: Solve for x
    x = 56,336,853,044.68/254,353.28
  6. Step 6: Final answer
    x = 221,490.57

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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.