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Finding the Fourth Proportional to 622,701.56, 934,121.64 and 267,751.28

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Solution

The fourth proportional to 622,701.56, 934,121.64 and 267,751.28 is: 401,656.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,701.56 : 934,121.64 = 267,751.28 : x
  2. Step 2: Convert to fraction form
    622,701.56/934,121.64 = 267,751.28/x
  3. Step 3: Cross multiply
    622,701.56x = 934,121.64 × 267,751.28
  4. Step 4: Simplify right side
    622,701.56x = 250,112,264,785.70
  5. Step 5: Solve for x
    x = 250,112,264,785.70/622,701.56
  6. Step 6: Final answer
    x = 401,656.72

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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.