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Finding the Fourth Proportional to 531,374.40, 796,507.92 and 231,774.54

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Solution

The fourth proportional to 531,374.40, 796,507.92 and 231,774.54 is: 347,420.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,374.40 : 796,507.92 = 231,774.54 : x
  2. Step 2: Convert to fraction form
    531,374.40/796,507.92 = 231,774.54/x
  3. Step 3: Cross multiply
    531,374.40x = 796,507.92 × 231,774.54
  4. Step 4: Simplify right side
    531,374.40x = 184,610,256,764.36
  5. Step 5: Solve for x
    x = 184,610,256,764.36/531,374.40
  6. Step 6: Final answer
    x = 347,420.31

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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.