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Finding the Fourth Proportional to 524,951.21, 787,551.96 and 169,965.34

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Solution

The fourth proportional to 524,951.21, 787,551.96 and 169,965.34 is: 254,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,951.21 : 787,551.96 = 169,965.34 : x
  2. Step 2: Convert to fraction form
    524,951.21/787,551.96 = 169,965.34/x
  3. Step 3: Cross multiply
    524,951.21x = 787,551.96 × 169,965.34
  4. Step 4: Simplify right side
    524,951.21x = 133,856,532,711.31
  5. Step 5: Solve for x
    x = 133,856,532,711.31/524,951.21
  6. Step 6: Final answer
    x = 254,988.52

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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.