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Finding the Fourth Proportional to 365,408.70, 547,335.45 and 303,200.70

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Solution

The fourth proportional to 365,408.70, 547,335.45 and 303,200.70 is: 454,155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,408.70 : 547,335.45 = 303,200.70 : x
  2. Step 2: Convert to fraction form
    365,408.70/547,335.45 = 303,200.70/x
  3. Step 3: Cross multiply
    365,408.70x = 547,335.45 × 303,200.70
  4. Step 4: Simplify right side
    365,408.70x = 165,952,491,574.82
  5. Step 5: Solve for x
    x = 165,952,491,574.82/365,408.70
  6. Step 6: Final answer
    x = 454,155.83

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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.