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Finding the Fourth Proportional to 227,314.33, 340,959.09 and 69,542.80

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Solution

The fourth proportional to 227,314.33, 340,959.09 and 69,542.80 is: 104,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,314.33 : 340,959.09 = 69,542.80 : x
  2. Step 2: Convert to fraction form
    227,314.33/340,959.09 = 69,542.80/x
  3. Step 3: Cross multiply
    227,314.33x = 340,959.09 × 69,542.80
  4. Step 4: Simplify right side
    227,314.33x = 23,711,249,804.05
  5. Step 5: Solve for x
    x = 23,711,249,804.05/227,314.33
  6. Step 6: Final answer
    x = 104,310.40

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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.