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Finding the Fourth Proportional to 367,399.88, 506,951.46 and 216,476.36

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Solution

The fourth proportional to 367,399.88, 506,951.46 and 216,476.36 is: 298,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,399.88 : 506,951.46 = 216,476.36 : x
  2. Step 2: Convert to fraction form
    367,399.88/506,951.46 = 216,476.36/x
  3. Step 3: Cross multiply
    367,399.88x = 506,951.46 × 216,476.36
  4. Step 4: Simplify right side
    367,399.88x = 109,743,006,757.49
  5. Step 5: Solve for x
    x = 109,743,006,757.49/367,399.88
  6. Step 6: Final answer
    x = 298,701.80

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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.