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Finding the Fourth Proportional to 449,455.70, 674,183.55 and 404,354.90

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Solution

The fourth proportional to 449,455.70, 674,183.55 and 404,354.90 is: 606,532.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,455.70 : 674,183.55 = 404,354.90 : x
  2. Step 2: Convert to fraction form
    449,455.70/674,183.55 = 404,354.90/x
  3. Step 3: Cross multiply
    449,455.70x = 674,183.55 × 404,354.90
  4. Step 4: Simplify right side
    449,455.70x = 272,609,421,941.90
  5. Step 5: Solve for x
    x = 272,609,421,941.90/449,455.70
  6. Step 6: Final answer
    x = 606,532.35

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Similar ratio
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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.