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Finding the Fourth Proportional to 473,245.15, 709,867.72 and 251,577.31

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Solution

The fourth proportional to 473,245.15, 709,867.72 and 251,577.31 is: 377,365.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,245.15 : 709,867.72 = 251,577.31 : x
  2. Step 2: Convert to fraction form
    473,245.15/709,867.72 = 251,577.31/x
  3. Step 3: Cross multiply
    473,245.15x = 709,867.72 × 251,577.31
  4. Step 4: Simplify right side
    473,245.15x = 178,586,611,453.43
  5. Step 5: Solve for x
    x = 178,586,611,453.43/473,245.15
  6. Step 6: Final answer
    x = 377,365.96

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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.