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Finding the Fourth Proportional to 531,222.60, 796,832.28 and 166,512

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Solution

The fourth proportional to 531,222.60, 796,832.28 and 166,512 is: 249,767.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,222.60 : 796,832.28 = 166,512 : x
  2. Step 2: Convert to fraction form
    531,222.60/796,832.28 = 166,512/x
  3. Step 3: Cross multiply
    531,222.60x = 796,832.28 × 166,512
  4. Step 4: Simplify right side
    531,222.60x = 132,682,136,607.36
  5. Step 5: Solve for x
    x = 132,682,136,607.36/531,222.60
  6. Step 6: Final answer
    x = 249,767.49

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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.