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Finding the Fourth Proportional to 896,322, 1,236,950.28 and 493,939.92

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Solution

The fourth proportional to 896,322, 1,236,950.28 and 493,939.92 is: 681,651.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,322 : 1,236,950.28 = 493,939.92 : x
  2. Step 2: Convert to fraction form
    896,322/1,236,950.28 = 493,939.92/x
  3. Step 3: Cross multiply
    896,322x = 1,236,950.28 × 493,939.92
  4. Step 4: Simplify right side
    896,322x = 610,979,122,347.18
  5. Step 5: Solve for x
    x = 610,979,122,347.18/896,322
  6. Step 6: Final answer
    x = 681,651.37

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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.