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Finding the Fourth Proportional to 531,390.90, 796,532.67 and 231,790.98

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Solution

The fourth proportional to 531,390.90, 796,532.67 and 231,790.98 is: 347,444.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,390.90 : 796,532.67 = 231,790.98 : x
  2. Step 2: Convert to fraction form
    531,390.90/796,532.67 = 231,790.98/x
  3. Step 3: Cross multiply
    531,390.90x = 796,532.67 × 231,790.98
  4. Step 4: Simplify right side
    531,390.90x = 184,629,088,181.32
  5. Step 5: Solve for x
    x = 184,629,088,181.32/531,390.90
  6. Step 6: Final answer
    x = 347,444.96

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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.