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Finding the Fourth Proportional to 627,653.91, 941,126.49 and 574,094.63

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Solution

The fourth proportional to 627,653.91, 941,126.49 and 574,094.63 is: 860,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,653.91 : 941,126.49 = 574,094.63 : x
  2. Step 2: Convert to fraction form
    627,653.91/941,126.49 = 574,094.63/x
  3. Step 3: Cross multiply
    627,653.91x = 941,126.49 × 574,094.63
  4. Step 4: Simplify right side
    627,653.91x = 540,295,659,354.12
  5. Step 5: Solve for x
    x = 540,295,659,354.12/627,653.91
  6. Step 6: Final answer
    x = 860,817.80

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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.