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Finding the Fourth Proportional to 449,340,639.60, 673,003,189.80 and 449,340,639.60

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Solution

The fourth proportional to 449,340,639.60, 673,003,189.80 and 449,340,639.60 is: 673,003,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,340,639.60 : 673,003,189.80 = 449,340,639.60 : x
  2. Step 2: Convert to fraction form
    449,340,639.60/673,003,189.80 = 449,340,639.60/x
  3. Step 3: Cross multiply
    449,340,639.60x = 673,003,189.80 × 449,340,639.60
  4. Step 4: Simplify right side
    449,340,639.60x = 302,407,683,757,572,160
  5. Step 5: Solve for x
    x = 302,407,683,757,572,160/449,340,639.60
  6. Step 6: Final answer
    x = 673,003,189.80

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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.