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Finding the Fourth Proportional to 531,675.68, 733,647.12 and 451,427.36

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Solution

The fourth proportional to 531,675.68, 733,647.12 and 451,427.36 is: 622,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,675.68 : 733,647.12 = 451,427.36 : x
  2. Step 2: Convert to fraction form
    531,675.68/733,647.12 = 451,427.36/x
  3. Step 3: Cross multiply
    531,675.68x = 733,647.12 × 451,427.36
  4. Step 4: Simplify right side
    531,675.68x = 331,188,382,553.20
  5. Step 5: Solve for x
    x = 331,188,382,553.20/531,675.68
  6. Step 6: Final answer
    x = 622,914.30

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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.