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Finding the Fourth Proportional to 653,716.22, 980,012.73 and 227,196.63

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Solution

The fourth proportional to 653,716.22, 980,012.73 and 227,196.63 is: 340,599.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,716.22 : 980,012.73 = 227,196.63 : x
  2. Step 2: Convert to fraction form
    653,716.22/980,012.73 = 227,196.63/x
  3. Step 3: Cross multiply
    653,716.22x = 980,012.73 × 227,196.63
  4. Step 4: Simplify right side
    653,716.22x = 222,655,589,613.10
  5. Step 5: Solve for x
    x = 222,655,589,613.10/653,716.22
  6. Step 6: Final answer
    x = 340,599.77

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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.