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Finding the Fourth Proportional to 411,882.40, 617,823.60 and 252,450.10

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Solution

The fourth proportional to 411,882.40, 617,823.60 and 252,450.10 is: 378,675.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,882.40 : 617,823.60 = 252,450.10 : x
  2. Step 2: Convert to fraction form
    411,882.40/617,823.60 = 252,450.10/x
  3. Step 3: Cross multiply
    411,882.40x = 617,823.60 × 252,450.10
  4. Step 4: Simplify right side
    411,882.40x = 155,969,629,602.36
  5. Step 5: Solve for x
    x = 155,969,629,602.36/411,882.40
  6. Step 6: Final answer
    x = 378,675.15

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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.