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Finding the Fourth Proportional to 552,745.58, 763,204.64 and 543,917.57

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Solution

The fourth proportional to 552,745.58, 763,204.64 and 543,917.57 is: 751,015.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,745.58 : 763,204.64 = 543,917.57 : x
  2. Step 2: Convert to fraction form
    552,745.58/763,204.64 = 543,917.57/x
  3. Step 3: Cross multiply
    552,745.58x = 763,204.64 × 543,917.57
  4. Step 4: Simplify right side
    552,745.58x = 415,120,406,665.91
  5. Step 5: Solve for x
    x = 415,120,406,665.91/552,745.58
  6. Step 6: Final answer
    x = 751,015.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.