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Finding the Fourth Proportional to 880,718.88, 1,321,266.96 and 273,494.64

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Solution

The fourth proportional to 880,718.88, 1,321,266.96 and 273,494.64 is: 410,300.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,718.88 : 1,321,266.96 = 273,494.64 : x
  2. Step 2: Convert to fraction form
    880,718.88/1,321,266.96 = 273,494.64/x
  3. Step 3: Cross multiply
    880,718.88x = 1,321,266.96 × 273,494.64
  4. Step 4: Simplify right side
    880,718.88x = 361,359,431,569.09
  5. Step 5: Solve for x
    x = 361,359,431,569.09/880,718.88
  6. Step 6: Final answer
    x = 410,300.54

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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.