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Finding the Fourth Proportional to 376,951.95, 520,197.72 and 204,869.94

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Solution

The fourth proportional to 376,951.95, 520,197.72 and 204,869.94 is: 282,722.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,951.95 : 520,197.72 = 204,869.94 : x
  2. Step 2: Convert to fraction form
    376,951.95/520,197.72 = 204,869.94/x
  3. Step 3: Cross multiply
    376,951.95x = 520,197.72 × 204,869.94
  4. Step 4: Simplify right side
    376,951.95x = 106,572,875,684.54
  5. Step 5: Solve for x
    x = 106,572,875,684.54/376,951.95
  6. Step 6: Final answer
    x = 282,722.71

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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.