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Finding the Fourth Proportional to 484,672.72, 727,009.44 and 231,893.56

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Solution

The fourth proportional to 484,672.72, 727,009.44 and 231,893.56 is: 347,840.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,672.72 : 727,009.44 = 231,893.56 : x
  2. Step 2: Convert to fraction form
    484,672.72/727,009.44 = 231,893.56/x
  3. Step 3: Cross multiply
    484,672.72x = 727,009.44 × 231,893.56
  4. Step 4: Simplify right side
    484,672.72x = 168,588,807,195.21
  5. Step 5: Solve for x
    x = 168,588,807,195.21/484,672.72
  6. Step 6: Final answer
    x = 347,840.51

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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.