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Finding the Fourth Proportional to 496,474.40, 744,711.60 and 297,408.80

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Solution

The fourth proportional to 496,474.40, 744,711.60 and 297,408.80 is: 446,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,474.40 : 744,711.60 = 297,408.80 : x
  2. Step 2: Convert to fraction form
    496,474.40/744,711.60 = 297,408.80/x
  3. Step 3: Cross multiply
    496,474.40x = 744,711.60 × 297,408.80
  4. Step 4: Simplify right side
    496,474.40x = 221,483,783,302.08
  5. Step 5: Solve for x
    x = 221,483,783,302.08/496,474.40
  6. Step 6: Final answer
    x = 446,113.20

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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.