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Finding the Fourth Proportional to 627,777.48, 941,524.34 and 178,488.48

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Solution

The fourth proportional to 627,777.48, 941,524.34 and 178,488.48 is: 267,692.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,777.48 : 941,524.34 = 178,488.48 : x
  2. Step 2: Convert to fraction form
    627,777.48/941,524.34 = 178,488.48/x
  3. Step 3: Cross multiply
    627,777.48x = 941,524.34 × 178,488.48
  4. Step 4: Simplify right side
    627,777.48x = 168,051,248,329.60
  5. Step 5: Solve for x
    x = 168,051,248,329.60/627,777.48
  6. Step 6: Final answer
    x = 267,692.38

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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.