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Finding the Fourth Proportional to 340,573.28, 469,919.22 and 197,324.60

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Solution

The fourth proportional to 340,573.28, 469,919.22 and 197,324.60 is: 272,266.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,573.28 : 469,919.22 = 197,324.60 : x
  2. Step 2: Convert to fraction form
    340,573.28/469,919.22 = 197,324.60/x
  3. Step 3: Cross multiply
    340,573.28x = 469,919.22 × 197,324.60
  4. Step 4: Simplify right side
    340,573.28x = 92,726,622,118.81
  5. Step 5: Solve for x
    x = 92,726,622,118.81/340,573.28
  6. Step 6: Final answer
    x = 272,266.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.