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Finding the Fourth Proportional to 500,174.53, 690,052.44 and 328,187.44

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Solution

The fourth proportional to 500,174.53, 690,052.44 and 328,187.44 is: 452,775.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,174.53 : 690,052.44 = 328,187.44 : x
  2. Step 2: Convert to fraction form
    500,174.53/690,052.44 = 328,187.44/x
  3. Step 3: Cross multiply
    500,174.53x = 690,052.44 × 328,187.44
  4. Step 4: Simplify right side
    500,174.53x = 226,466,543,749.35
  5. Step 5: Solve for x
    x = 226,466,543,749.35/500,174.53
  6. Step 6: Final answer
    x = 452,775.04

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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.