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Finding the Fourth Proportional to 452,474.58, 678,799.29 and 171,969.96

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Solution

The fourth proportional to 452,474.58, 678,799.29 and 171,969.96 is: 257,988.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,474.58 : 678,799.29 = 171,969.96 : x
  2. Step 2: Convert to fraction form
    452,474.58/678,799.29 = 171,969.96/x
  3. Step 3: Cross multiply
    452,474.58x = 678,799.29 × 171,969.96
  4. Step 4: Simplify right side
    452,474.58x = 116,733,086,749.33
  5. Step 5: Solve for x
    x = 116,733,086,749.33/452,474.58
  6. Step 6: Final answer
    x = 257,988.17

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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.