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Finding the Fourth Proportional to 227,261.17, 340,891.80 and 69,489.64

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Solution

The fourth proportional to 227,261.17, 340,891.80 and 69,489.64 is: 104,234.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,261.17 : 340,891.80 = 69,489.64 : x
  2. Step 2: Convert to fraction form
    227,261.17/340,891.80 = 69,489.64/x
  3. Step 3: Cross multiply
    227,261.17x = 340,891.80 × 69,489.64
  4. Step 4: Simplify right side
    227,261.17x = 23,688,448,460.95
  5. Step 5: Solve for x
    x = 23,688,448,460.95/227,261.17
  6. Step 6: Final answer
    x = 104,234.47

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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.