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Finding the Fourth Proportional to 552,902.70, 829,791.45 and 216,104.70

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Solution

The fourth proportional to 552,902.70, 829,791.45 and 216,104.70 is: 324,328.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,902.70 : 829,791.45 = 216,104.70 : x
  2. Step 2: Convert to fraction form
    552,902.70/829,791.45 = 216,104.70/x
  3. Step 3: Cross multiply
    552,902.70x = 829,791.45 × 216,104.70
  4. Step 4: Simplify right side
    552,902.70x = 179,321,832,364.82
  5. Step 5: Solve for x
    x = 179,321,832,364.82/552,902.70
  6. Step 6: Final answer
    x = 324,328.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.