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Finding the Fourth Proportional to 374,732.46, 517,138.97 and 204,966.59

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Solution

The fourth proportional to 374,732.46, 517,138.97 and 204,966.59 is: 282,858.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,732.46 : 517,138.97 = 204,966.59 : x
  2. Step 2: Convert to fraction form
    374,732.46/517,138.97 = 204,966.59/x
  3. Step 3: Cross multiply
    374,732.46x = 517,138.97 × 204,966.59
  4. Step 4: Simplify right side
    374,732.46x = 105,996,207,626.49
  5. Step 5: Solve for x
    x = 105,996,207,626.49/374,732.46
  6. Step 6: Final answer
    x = 282,858.36

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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.