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Finding the Fourth Proportional to 449,712,000.40, 674,568,000.60 and 449,712,000.40

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Solution

The fourth proportional to 449,712,000.40, 674,568,000.60 and 449,712,000.40 is: 674,568,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,712,000.40 : 674,568,000.60 = 449,712,000.40 : x
  2. Step 2: Convert to fraction form
    449,712,000.40/674,568,000.60 = 449,712,000.40/x
  3. Step 3: Cross multiply
    449,712,000.40x = 674,568,000.60 × 449,712,000.40
  4. Step 4: Simplify right side
    449,712,000.40x = 303,361,324,955,654,400
  5. Step 5: Solve for x
    x = 303,361,324,955,654,400/449,712,000.40
  6. Step 6: Final answer
    x = 674,568,000.60

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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.