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Finding the Fourth Proportional to 524,954.40, 787,431.60 and 259,233.90

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Solution

The fourth proportional to 524,954.40, 787,431.60 and 259,233.90 is: 388,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,954.40 : 787,431.60 = 259,233.90 : x
  2. Step 2: Convert to fraction form
    524,954.40/787,431.60 = 259,233.90/x
  3. Step 3: Cross multiply
    524,954.40x = 787,431.60 × 259,233.90
  4. Step 4: Simplify right side
    524,954.40x = 204,128,964,651.24
  5. Step 5: Solve for x
    x = 204,128,964,651.24/524,954.40
  6. Step 6: Final answer
    x = 388,850.85

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Similar ratio
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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.