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Finding the Fourth Proportional to 627,553.31, 866,030.33 and 341,073.45

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Solution

The fourth proportional to 627,553.31, 866,030.33 and 341,073.45 is: 470,685.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,553.31 : 866,030.33 = 341,073.45 : x
  2. Step 2: Convert to fraction form
    627,553.31/866,030.33 = 341,073.45/x
  3. Step 3: Cross multiply
    627,553.31x = 866,030.33 × 341,073.45
  4. Step 4: Simplify right side
    627,553.31x = 295,379,953,310.42
  5. Step 5: Solve for x
    x = 295,379,953,310.42/627,553.31
  6. Step 6: Final answer
    x = 470,685.04

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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.