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Finding the Fourth Proportional to 609,055.82, 913,268.96 and 267,359.40

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Solution

The fourth proportional to 609,055.82, 913,268.96 and 267,359.40 is: 400,900.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,055.82 : 913,268.96 = 267,359.40 : x
  2. Step 2: Convert to fraction form
    609,055.82/913,268.96 = 267,359.40/x
  3. Step 3: Cross multiply
    609,055.82x = 913,268.96 × 267,359.40
  4. Step 4: Simplify right side
    609,055.82x = 244,171,041,184.22
  5. Step 5: Solve for x
    x = 244,171,041,184.22/609,055.82
  6. Step 6: Final answer
    x = 400,900.92

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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.