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Finding the Fourth Proportional to 379,384.92, 568,908.90 and 201,854.52

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Solution

The fourth proportional to 379,384.92, 568,908.90 and 201,854.52 is: 302,692.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,384.92 : 568,908.90 = 201,854.52 : x
  2. Step 2: Convert to fraction form
    379,384.92/568,908.90 = 201,854.52/x
  3. Step 3: Cross multiply
    379,384.92x = 568,908.90 × 201,854.52
  4. Step 4: Simplify right side
    379,384.92x = 114,836,832,933.23
  5. Step 5: Solve for x
    x = 114,836,832,933.23/379,384.92
  6. Step 6: Final answer
    x = 302,692.14

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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.