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Finding the Fourth Proportional to 482,806.98, 666,268.74 and 267,948.81

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Solution

The fourth proportional to 482,806.98, 666,268.74 and 267,948.81 is: 369,766.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,806.98 : 666,268.74 = 267,948.81 : x
  2. Step 2: Convert to fraction form
    482,806.98/666,268.74 = 267,948.81/x
  3. Step 3: Cross multiply
    482,806.98x = 666,268.74 × 267,948.81
  4. Step 4: Simplify right side
    482,806.98x = 178,525,916,023.20
  5. Step 5: Solve for x
    x = 178,525,916,023.20/482,806.98
  6. Step 6: Final answer
    x = 369,766.64

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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.