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Finding the Fourth Proportional to 531,389.40, 796,530.42 and 231,789.48

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Solution

The fourth proportional to 531,389.40, 796,530.42 and 231,789.48 is: 347,442.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,389.40 : 796,530.42 = 231,789.48 : x
  2. Step 2: Convert to fraction form
    531,389.40/796,530.42 = 231,789.48/x
  3. Step 3: Cross multiply
    531,389.40x = 796,530.42 × 231,789.48
  4. Step 4: Simplify right side
    531,389.40x = 184,627,371,855.98
  5. Step 5: Solve for x
    x = 184,627,371,855.98/531,389.40
  6. Step 6: Final answer
    x = 347,442.71

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1.5x scale

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.