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Finding the Fourth Proportional to 262,679.64, 362,511.90 and 149,538.84

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Solution

The fourth proportional to 262,679.64, 362,511.90 and 149,538.84 is: 206,371.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,679.64 : 362,511.90 = 149,538.84 : x
  2. Step 2: Convert to fraction form
    262,679.64/362,511.90 = 149,538.84/x
  3. Step 3: Cross multiply
    262,679.64x = 362,511.90 × 149,538.84
  4. Step 4: Simplify right side
    262,679.64x = 54,209,609,012.20
  5. Step 5: Solve for x
    x = 54,209,609,012.20/262,679.64
  6. Step 6: Final answer
    x = 206,371.57

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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.