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Finding the Fourth Proportional to 899,606, 1,240,652.74 and 746,401.64

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Solution

The fourth proportional to 899,606, 1,240,652.74 and 746,401.64 is: 1,029,367.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,606 : 1,240,652.74 = 746,401.64 : x
  2. Step 2: Convert to fraction form
    899,606/1,240,652.74 = 746,401.64/x
  3. Step 3: Cross multiply
    899,606x = 1,240,652.74 × 746,401.64
  4. Step 4: Simplify right side
    899,606x = 926,025,239,806.49
  5. Step 5: Solve for x
    x = 926,025,239,806.49/899,606
  6. Step 6: Final answer
    x = 1,029,367.57

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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.