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Finding the Fourth Proportional to 347,384.82, 479,299.94 and 200,173.48

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Solution

The fourth proportional to 347,384.82, 479,299.94 and 200,173.48 is: 276,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,384.82 : 479,299.94 = 200,173.48 : x
  2. Step 2: Convert to fraction form
    347,384.82/479,299.94 = 200,173.48/x
  3. Step 3: Cross multiply
    347,384.82x = 479,299.94 × 200,173.48
  4. Step 4: Simplify right side
    347,384.82x = 95,943,136,953.59
  5. Step 5: Solve for x
    x = 95,943,136,953.59/347,384.82
  6. Step 6: Final answer
    x = 276,186.90

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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.