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Finding the Fourth Proportional to 267,185.27, 400,804.23 and 77,647.29

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Solution

The fourth proportional to 267,185.27, 400,804.23 and 77,647.29 is: 116,478.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,185.27 : 400,804.23 = 77,647.29 : x
  2. Step 2: Convert to fraction form
    267,185.27/400,804.23 = 77,647.29/x
  3. Step 3: Cross multiply
    267,185.27x = 400,804.23 × 77,647.29
  4. Step 4: Simplify right side
    267,185.27x = 31,121,362,280.04
  5. Step 5: Solve for x
    x = 31,121,362,280.04/267,185.27
  6. Step 6: Final answer
    x = 116,478.59

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1.5x scale

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.