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Finding the Fourth Proportional to 449,324,432.60, 673,986,648.90 and 449,324,432.60

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Solution

The fourth proportional to 449,324,432.60, 673,986,648.90 and 449,324,432.60 is: 673,986,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,324,432.60 : 673,986,648.90 = 449,324,432.60 : x
  2. Step 2: Convert to fraction form
    449,324,432.60/673,986,648.90 = 449,324,432.60/x
  3. Step 3: Cross multiply
    449,324,432.60x = 673,986,648.90 × 449,324,432.60
  4. Step 4: Simplify right side
    449,324,432.60x = 302,838,668,596,967,936
  5. Step 5: Solve for x
    x = 302,838,668,596,967,936/449,324,432.60
  6. Step 6: Final answer
    x = 673,986,648.90

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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.