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Finding the Fourth Proportional to 329,469.84, 454,545 and 193,508.10

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Solution

The fourth proportional to 329,469.84, 454,545 and 193,508.10 is: 266,968.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,469.84 : 454,545 = 193,508.10 : x
  2. Step 2: Convert to fraction form
    329,469.84/454,545 = 193,508.10/x
  3. Step 3: Cross multiply
    329,469.84x = 454,545 × 193,508.10
  4. Step 4: Simplify right side
    329,469.84x = 87,958,139,314.50
  5. Step 5: Solve for x
    x = 87,958,139,314.50/329,469.84
  6. Step 6: Final answer
    x = 266,968.71

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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.