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Finding the Fourth Proportional to 627,654.91, 941,127.99 and 574,095.63

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Solution

The fourth proportional to 627,654.91, 941,127.99 and 574,095.63 is: 860,819.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,654.91 : 941,127.99 = 574,095.63 : x
  2. Step 2: Convert to fraction form
    627,654.91/941,127.99 = 574,095.63/x
  3. Step 3: Cross multiply
    627,654.91x = 941,127.99 × 574,095.63
  4. Step 4: Simplify right side
    627,654.91x = 540,297,466,329.68
  5. Step 5: Solve for x
    x = 540,297,466,329.68/627,654.91
  6. Step 6: Final answer
    x = 860,819.31

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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.