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Finding the Fourth Proportional to 472,404, 651,943.44 and 271,212.96

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Solution

The fourth proportional to 472,404, 651,943.44 and 271,212.96 is: 374,288.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,404 : 651,943.44 = 271,212.96 : x
  2. Step 2: Convert to fraction form
    472,404/651,943.44 = 271,212.96/x
  3. Step 3: Cross multiply
    472,404x = 651,943.44 × 271,212.96
  4. Step 4: Simplify right side
    472,404x = 176,815,510,114.98
  5. Step 5: Solve for x
    x = 176,815,510,114.98/472,404
  6. Step 6: Final answer
    x = 374,288.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.