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Finding the Fourth Proportional to 552,179.70, 827,783.55 and 374,109.30

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Solution

The fourth proportional to 552,179.70, 827,783.55 and 374,109.30 is: 560,834.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,179.70 : 827,783.55 = 374,109.30 : x
  2. Step 2: Convert to fraction form
    552,179.70/827,783.55 = 374,109.30/x
  3. Step 3: Cross multiply
    552,179.70x = 827,783.55 × 374,109.30
  4. Step 4: Simplify right side
    552,179.70x = 309,681,524,442.02
  5. Step 5: Solve for x
    x = 309,681,524,442.02/552,179.70
  6. Step 6: Final answer
    x = 560,834.68

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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.