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Finding the Fourth Proportional to 531,399.83, 796,893.80 and 176,318.51

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Solution

The fourth proportional to 531,399.83, 796,893.80 and 176,318.51 is: 264,409.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,399.83 : 796,893.80 = 176,318.51 : x
  2. Step 2: Convert to fraction form
    531,399.83/796,893.80 = 176,318.51/x
  3. Step 3: Cross multiply
    531,399.83x = 796,893.80 × 176,318.51
  4. Step 4: Simplify right side
    531,399.83x = 140,507,122,578.18
  5. Step 5: Solve for x
    x = 140,507,122,578.18/531,399.83
  6. Step 6: Final answer
    x = 264,409.43

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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.