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Finding the Fourth Proportional to 227,479.28, 340,519.08 and 148,423.28

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Solution

The fourth proportional to 227,479.28, 340,519.08 and 148,423.28 is: 222,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,479.28 : 340,519.08 = 148,423.28 : x
  2. Step 2: Convert to fraction form
    227,479.28/340,519.08 = 148,423.28/x
  3. Step 3: Cross multiply
    227,479.28x = 340,519.08 × 148,423.28
  4. Step 4: Simplify right side
    227,479.28x = 50,540,958,756.18
  5. Step 5: Solve for x
    x = 50,540,958,756.18/227,479.28
  6. Step 6: Final answer
    x = 222,178.30

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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.