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Finding the Fourth Proportional to 351,337.95, 484,828.00 and 206,123.55

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Solution

The fourth proportional to 351,337.95, 484,828.00 and 206,123.55 is: 284,439.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,337.95 : 484,828.00 = 206,123.55 : x
  2. Step 2: Convert to fraction form
    351,337.95/484,828.00 = 206,123.55/x
  3. Step 3: Cross multiply
    351,337.95x = 484,828.00 × 206,123.55
  4. Step 4: Simplify right side
    351,337.95x = 99,934,466,165.99
  5. Step 5: Solve for x
    x = 99,934,466,165.99/351,337.95
  6. Step 6: Final answer
    x = 284,439.71

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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.