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Finding the Fourth Proportional to 896,262, 1,236,867.48 and 493,879.92

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Solution

The fourth proportional to 896,262, 1,236,867.48 and 493,879.92 is: 681,568.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,262 : 1,236,867.48 = 493,879.92 : x
  2. Step 2: Convert to fraction form
    896,262/1,236,867.48 = 493,879.92/x
  3. Step 3: Cross multiply
    896,262x = 1,236,867.48 × 493,879.92
  4. Step 4: Simplify right side
    896,262x = 610,864,012,073.00
  5. Step 5: Solve for x
    x = 610,864,012,073.00/896,262
  6. Step 6: Final answer
    x = 681,568.57

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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.