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Finding the Fourth Proportional to 401,367.56, 600,870.33 and 267,916.82

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Solution

The fourth proportional to 401,367.56, 600,870.33 and 267,916.82 is: 401,086.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,367.56 : 600,870.33 = 267,916.82 : x
  2. Step 2: Convert to fraction form
    401,367.56/600,870.33 = 267,916.82/x
  3. Step 3: Cross multiply
    401,367.56x = 600,870.33 × 267,916.82
  4. Step 4: Simplify right side
    401,367.56x = 160,983,265,041.60
  5. Step 5: Solve for x
    x = 160,983,265,041.60/401,367.56
  6. Step 6: Final answer
    x = 401,086.89

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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.