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Finding the Fourth Proportional to 552,418.64, 828,662.99 and 173,354.33

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Solution

The fourth proportional to 552,418.64, 828,662.99 and 173,354.33 is: 260,042.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,418.64 : 828,662.99 = 173,354.33 : x
  2. Step 2: Convert to fraction form
    552,418.64/828,662.99 = 173,354.33/x
  3. Step 3: Cross multiply
    552,418.64x = 828,662.99 × 173,354.33
  4. Step 4: Simplify right side
    552,418.64x = 143,652,317,427.25
  5. Step 5: Solve for x
    x = 143,652,317,427.25/552,418.64
  6. Step 6: Final answer
    x = 260,042.49

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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.