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Finding the Fourth Proportional to 336,491.11, 464,408.10 and 215,768.71

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Solution

The fourth proportional to 336,491.11, 464,408.10 and 215,768.71 is: 297,793.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,491.11 : 464,408.10 = 215,768.71 : x
  2. Step 2: Convert to fraction form
    336,491.11/464,408.10 = 215,768.71/x
  3. Step 3: Cross multiply
    336,491.11x = 464,408.10 × 215,768.71
  4. Step 4: Simplify right side
    336,491.11x = 100,204,736,650.55
  5. Step 5: Solve for x
    x = 100,204,736,650.55/336,491.11
  6. Step 6: Final answer
    x = 297,793.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.