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Finding the Fourth Proportional to 531,392.40, 796,534.92 and 231,792.48

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Solution

The fourth proportional to 531,392.40, 796,534.92 and 231,792.48 is: 347,447.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,392.40 : 796,534.92 = 231,792.48 : x
  2. Step 2: Convert to fraction form
    531,392.40/796,534.92 = 231,792.48/x
  3. Step 3: Cross multiply
    531,392.40x = 796,534.92 × 231,792.48
  4. Step 4: Simplify right side
    531,392.40x = 184,630,804,513.40
  5. Step 5: Solve for x
    x = 184,630,804,513.40/531,392.40
  6. Step 6: Final answer
    x = 347,447.21

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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.