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Finding the Fourth Proportional to 460,709.88, 691,069.14 and 450,912.12

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Solution

The fourth proportional to 460,709.88, 691,069.14 and 450,912.12 is: 676,372.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,709.88 : 691,069.14 = 450,912.12 : x
  2. Step 2: Convert to fraction form
    460,709.88/691,069.14 = 450,912.12/x
  3. Step 3: Cross multiply
    460,709.88x = 691,069.14 × 450,912.12
  4. Step 4: Simplify right side
    460,709.88x = 311,611,450,983.98
  5. Step 5: Solve for x
    x = 311,611,450,983.98/460,709.88
  6. Step 6: Final answer
    x = 676,372.41

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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.