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Finding the Fourth Proportional to 352,529.49, 486,496.57 and 191,384.57

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Solution

The fourth proportional to 352,529.49, 486,496.57 and 191,384.57 is: 264,113.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,529.49 : 486,496.57 = 191,384.57 : x
  2. Step 2: Convert to fraction form
    352,529.49/486,496.57 = 191,384.57/x
  3. Step 3: Cross multiply
    352,529.49x = 486,496.57 × 191,384.57
  4. Step 4: Simplify right side
    352,529.49x = 93,107,936,855.92
  5. Step 5: Solve for x
    x = 93,107,936,855.92/352,529.49
  6. Step 6: Final answer
    x = 264,113.90

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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.