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Finding the Fourth Proportional to 652,938.62, 901,143.22 and 366,474.38

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Solution

The fourth proportional to 652,938.62, 901,143.22 and 366,474.38 is: 505,783.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,938.62 : 901,143.22 = 366,474.38 : x
  2. Step 2: Convert to fraction form
    652,938.62/901,143.22 = 366,474.38/x
  3. Step 3: Cross multiply
    652,938.62x = 901,143.22 × 366,474.38
  4. Step 4: Simplify right side
    652,938.62x = 330,245,902,840.70
  5. Step 5: Solve for x
    x = 330,245,902,840.70/652,938.62
  6. Step 6: Final answer
    x = 505,783.99

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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.