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Finding the Fourth Proportional to 446,517.80, 668,610.30 and 425,522.60

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Solution

The fourth proportional to 446,517.80, 668,610.30 and 425,522.60 is: 637,172.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,517.80 : 668,610.30 = 425,522.60 : x
  2. Step 2: Convert to fraction form
    446,517.80/668,610.30 = 425,522.60/x
  3. Step 3: Cross multiply
    446,517.80x = 668,610.30 × 425,522.60
  4. Step 4: Simplify right side
    446,517.80x = 284,508,793,242.78
  5. Step 5: Solve for x
    x = 284,508,793,242.78/446,517.80
  6. Step 6: Final answer
    x = 637,172.34

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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.