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Finding the Fourth Proportional to 262,104.58, 392,489.84 and 173,224.90

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Solution

The fourth proportional to 262,104.58, 392,489.84 and 173,224.90 is: 259,396.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,104.58 : 392,489.84 = 173,224.90 : x
  2. Step 2: Convert to fraction form
    262,104.58/392,489.84 = 173,224.90/x
  3. Step 3: Cross multiply
    262,104.58x = 392,489.84 × 173,224.90
  4. Step 4: Simplify right side
    262,104.58x = 67,989,012,418.89
  5. Step 5: Solve for x
    x = 67,989,012,418.89/262,104.58
  6. Step 6: Final answer
    x = 259,396.51

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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.