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Finding the Fourth Proportional to 700.62, 1,050.74 and 267.54

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Solution

The fourth proportional to 700.62, 1,050.74 and 267.54 is: 401.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.62 : 1,050.74 = 267.54 : x
  2. Step 2: Convert to fraction form
    700.62/1,050.74 = 267.54/x
  3. Step 3: Cross multiply
    700.62x = 1,050.74 × 267.54
  4. Step 4: Simplify right side
    700.62x = 281,114.98
  5. Step 5: Solve for x
    x = 281,114.98/700.62
  6. Step 6: Final answer
    x = 401.24

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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.